WoRMS taxon details
Caecum J. Fleming, 1813
137718 (urn:lsid:marinespecies.org:taxname:137718)
accepted
Genus
Dentalium trachea Montagu, 1803 accepted as Caecum trachea (Montagu, 1803) (type by subsequent designation)
Brochina Gray, 1857 · unaccepted
Brochus T. Brown, 1827 · unaccepted
Caecalium J. Fleming, 1822 · unaccepted > unjustified emendation (Unjustified emendation of Caecum)
Caecum (Anellum) P. P. Carpenter, 1857 · alternate representation
Caecum (Bambusum) Olsson & Harbison, 1954 · alternate representation
Caecum (Brochina) Gray, 1857 · alternate representation
Caecum (Caecum) J. Fleming, 1813 · alternate representation
Caecum (Defolinia) Weisbord, 1962 · unaccepted
Caecum (Elephantulum) P. P. Carpenter, 1857 · alternate representation
Caecum (Fartulum) P. P. Carpenter, 1857 · alternate representation
Caecum (Micranellum) Bartsch, 1920 · unaccepted
Coecum [sic] · unaccepted
Cornuoides T. Brown, 1827 · unaccepted
Elephantanellum Bartsch, 1920 · unaccepted
Elephantellum [sic] · unaccepted (misspelling of original name)
Elephantulum P. P. Carpenter, 1857 · unaccepted
Fartulum P. P. Carpenter, 1857 · unaccepted > superseded rank
Micranellum Bartsch, 1920 · unaccepted > junior subjective synonym
Odontidium R. A. Philippi, 1836 · unaccepted
Pictocaecum Habe, 1978 · unaccepted
Species Caecum achirona (de Folin, 1867)
Species Caecum adamsi Raines, 2020
Species Caecum amputatum Hedley, 1894
Species Caecum amydroglyptum Rehder, 1980
Species Caecum angustum de Folin, 1879
Species Caecum annulatum Emmons, 1858
Species Caecum antillarum P. P. Carpenter, 1858
Species Caecum armoricum de Folin, 1869
Species Caecum atlantidis R. B. Watson, 1897
Species Caecum attenuatum de Folin, 1880
Species Caecum auriculatum de Folin, 1868
Species Caecum austrafricanum Vannozzi, Pizzini & Raines, 2015
Species Caecum australe Pizzini & Raines, 2011
Species Caecum bathus Pizzini, Raines & Vannozzi, 2013
Species Caecum bimamillatum de Folin, 1867
Species Caecum bimarginatum P. P. Carpenter, 1859
Species Caecum biomaglo Vannozzi, 2023
Species Caecum bipartitum de Folin, 1870
Species Caecum borneoense de Folin, 1879
Species Caecum bounty Pizzini & Raines, 2011
Species Caecum brasilicum de Folin, 1874
Species Caecum brennani Raines & Pizzini, 2009
Species Caecum breve de Folin, 1867
Species Caecum bucerium (Golikov, 1967)
Species Caecum californicum Dall, 1885
Species Caecum campanulatum Raines & Pizzini, 2005
Species Caecum carolinianum Dall, 1892
Species Caecum caverna Moolenbeek, Faber & Iliffe, 1989
Species Caecum chilense Stuardo, 1962
Species Caecum chinense de Folin, 1868
Species Caecum cinctum Olsson & Harbison, 1953
Species Caecum circumvolutum de Folin, 1867
Species Caecum clarkii P. P. Carpenter, 1859
Species Caecum clarum E. Lamy, 1909
Species Caecum clathratum P. P. Carpenter, 1857
Species Caecum clava de Folin, 1867
Species Caecum cocoense Sibaja-Cordero, García-Méndez & Troncoso, 2013
Species Caecum codoceoae Gálvez & Huidobro, 2017
Species Caecum condylum D. R. Moore, 1969
Species Caecum continens van der Linden & Moolenbeek, 2000
Species Caecum cooki Pizzini & Raines, 2011
Species Caecum cooperi S. Smith, 1860
Species Caecum corrugulatum P. P. Carpenter, 1857
Species Caecum crassum de Folin, 1870
Species Caecum crebricinctum P. P. Carpenter, 1866
Species Caecum crispum A. E. Verrill & K. J. Bush, 1900
Species Caecum crystallinum de Folin, 1880
Species Caecum cuspidatum Chaster, 1896
Species Caecum cycloferum de Folin, 1867
Species Caecum dakuwaqa Pizzini, Raines & Vannozzi, 2013
Species Caecum danielei Pizzini & Raines, 2011
Species Caecum debile A. E. Verrill & K. J. Bush, 1900
Species Caecum delicatulum A. E. Verrill & K. J. Bush, 1900
Species Caecum derjugini (Golikov, 1967)
Species Caecum dextroversum P. P. Carpenter, 1857
Species Caecum digitulum Hedley, 1904
Species Caecum diminutum C. B. Adams, 1852
Species Caecum directum Vannozzi, 2019
Species Caecum donmoorei Mitchell-Tapping, 1979
Species Caecum draperi Raines, 2020
Species Caecum dux de Folin, 1871
Species Caecum egenum Vannozzi, 2017
Species Caecum elegantissimum P. P. Carpenter, 1859
Species Caecum eliezeri Absalão, 1997
Species Caecum elongatum P. P. Carpenter, 1857
Species Caecum engli Nofroni, Pizzini & Oliverio, 1997
Species Caecum eunoi Nofroni, Pizzini & Oliverio, 1997
Species Caecum exile de Folin, 1880
Species Caecum fijiense Pizzini, Raines & Vannozzi, 2013
Species Caecum firmatum C. B. Adams, 1852
Species Caecum floridanum W. Stimpson, 1851
Species Caecum folini Kisch, 1959
Species Caecum frugi Vannozzi, 2019
Species Caecum galapagoense Raines, 2020
Species Caecum geigeri Pizzini & Raines, 2011
Species Caecum glabriforme P. P. Carpenter, 1857
Species Caecum glabrum (Montagu, 1803)
Species Caecum gofasi Pizzini & Nofroni, 2001
Species Caecum granulatum Vannozzi, 2019
Species Caecum gulosum Hedley, 1899
Species Caecum gurgulio P. P. Carpenter, 1858
Species Caecum heptagonum P. P. Carpenter, 1857
Species Caecum heterochromum Raines & Pizzini, 2005
Species Caecum hyalinum Vannozzi, 2022
Species Caecum imbricatum P. P. Carpenter, 1858
Species Caecum incisum Vannozzi, Pizzini & Raines, 2015
Species Caecum inclinatum de Folin, 1869
Species Caecum infimum de Folin, 1867
Species Caecum inflatulum Vannozzi, 2017
Species Caecum inflatum de Folin, 1869
Species Caecum inhacaense Albano & Pizzini, 2011
Species Caecum insculptum P. P. Carpenter, 1857
Species Caecum insularum D. R. Moore, 1969
Species Caecum intortum Vannozzi, Pizzini & Raines, 2015
Species Caecum invisibile Egger & Jörger, 2020
Species Caecum iricolor Vannozzi, 2023
Species Caecum japonicum (Habe, 1978)
Species Caecum johnsoni Winkley, 1908
Species Caecum jonatani Espinosa, Ortea & Fernández-Garcés, 2007
Species Caecum jucundum de Folin, 1867
Species Caecum knysnaense Vannozzi, Pizzini & Raines, 2015
Species Caecum kontiki Pizzini & Raines, 2011
Species Caecum laeve C. B. Adams, 1852
Species Caecum lapita Pizzini, Raines & Vannozzi, 2013
Species Caecum laqueatum C. B. Adams, 1852
Species Caecum leilae Vannozzi, Pizzini & Raines, 2015
Species Caecum lightfootanum Raines, 2020
Species Caecum limnetes Long, 1972
Species Caecum limpidum de Folin, 1874
Species Caecum lindae Vannozzi, Pizzini & Raines, 2015
Species Caecum lineicinctum de Folin, 1880
Species Caecum loyaltense Pizzini, Raines & Vannozzi, 2013
Species Caecum lucidum de Folin, 1867
Species Caecum macrum van der Linden & Moolenbeek, 2000
Species Caecum magellanicum (di Geronimo, Privitera & Valdovinos, 1995)
Species Caecum maori Pizzini & Raines, 2006
Species Caecum maraisi Vannozzi, Pizzini & Raines, 2015
Species Caecum marginatum de Folin, 1869
Species Caecum marmoratum de Folin, 1869
Species Caecum massambabense Absalão, 1994
Species Caecum mauritianum de Folin, 1867
Species Caecum metamorphosicum S. Lima, Santos & Absalão, 2013
Species Caecum microstriatum Pizzini, Raines & Vannozzi, 2013
Species Caecum mirificum de Folin, 1867
Species Caecum modestum de Folin, 1868
Species Caecum moorei (Marincovich, 1973)
Species Caecum morgan Vannozzi, Pizzini & Raines, 2015
Species Caecum multicostatum de Folin, 1867
Species Caecum musorstomi Pizzini, Raines & Vannozzi, 2013
Species Caecum nasutum Vannozzi, 2019
Species Caecum neocaledonicum de Folin, 1868
Species Caecum neoguineanum Vannozzi, 2019
Species Caecum nofronii Vannozzi, 2019
Species Caecum oahuense Pilsbry, 1921
Species Caecum orcutti Dall, 1885
Species Caecum paradoxum de Folin, 1867
Species Caecum parvum C. B. Adams, 1852
Species Caecum pascuanum Raines & Pizzini, 2005
Species Caecum planum de Folin, 1874
Species Caecum plicatum P. P. Carpenter, 1858
Species Caecum pollicare P. P. Carpenter, 1859
Species Caecum praegrande Vannozzi, 2017
Species Caecum pulchellum W. Stimpson, 1851
Species Caecum quadratum P. P. Carpenter, 1857
Species Caecum rapanuiense Raines & Pizzini, 2005
Species Caecum regulare P. P. Carpenter, 1858
Species Caecum rehderi Raines & Pizzini, 2005
Species Caecum reversum P. P. Carpenter, 1857
Species Caecum rijgersmai De Jong & Coomans, 1988
Species Caecum rolani Pizzini & Nofroni, 2001
Species Caecum rostratum de Folin, 1881
Species Caecum ryssotitum de Folin, 1867
Species Caecum searleswoodii P. P. Carpenter, 1859
Species Caecum semicinctum de Folin, 1867
Species Caecum semilaeve P. P. Carpenter, 1857
Species Caecum senegambianum de Folin, 1870
Species Caecum sepimentum de Folin, 1868
Species Caecum shaskyi Raines, 2020
Species Caecum simplicissimum Thiele, 1925
Species Caecum sinuatum de Folin, 1867
Species Caecum skoglundae Pizzini, Raines & Nofroni, 2007
Species Caecum smriglioi Pizzini, Nofroni & Bonfitto, 2008
Species Caecum someri (de Folin, 1867)
Species Caecum spiculum Raines, 2020
Species Caecum spinosum de Folin, 1873
Species Caecum strangulatum de Folin, 1867
Species Caecum striatum de Folin, 1868
Species Caecum strictum de Folin, 1871
Species Caecum strigosum de Folin, 1868
Species Caecum subannulatum de Folin, 1870
Species Caecum subaustrale Stuardo, 1970
Species Caecum subcylindratum Pizzini, Raines & Vannozzi, 2013
Species Caecum subflavum de Folin, 1880
Species Caecum subquadratum P. P. Carpenter, 1859
Species Caecum subspirale P. P. Carpenter, 1857
Species Caecum subvolutum de Folin, 1874
Species Caecum succineum de Folin, 1880
Species Caecum superbum de Folin, 1867
Species Caecum swinneni Nofroni, Pizzini & Oliverio, 1997
Species Caecum tahitianum Pizzini & Raines, 2011
Species Caecum tenue A. E. Verrill & K. J. Bush, 1900
Species Caecum tenuicostatum de Folin, 1881
Species Caecum teres P. P. Carpenter, 1857
Species Caecum textile de Folin, 1867
Species Caecum tornatum A. E. Verrill & K. J. Bush, 1900
Species Caecum torquetum de Folin, 1867
Species Caecum tortile Dall, 1892
Species Caecum trachea (Montagu, 1803)
Species Caecum trindadense S. Lima, Santos & Absalão, 2013
Species Caecum troglodyta Moolenbeek, Faber & Iliffe, 1989
Species Caecum vanuatuarum Pizzini, Raines & Vannozzi, 2013
Species Caecum varanoi Pizzini, Nofroni & Bonfitto, 2008
Species Caecum variegatum de Folin, 1867
Species Caecum venosum de Folin, 1867
Species Caecum venustum de Folin, 1867
Species Caecum vertebrale Hedley, 1899
Species Caecum vicinum de Folin, 1870
Species Caecum virginiae Pizzini, Raines & Vannozzi, 2013
Species Caecum vitreum P. P. Carpenter, 1859
Species Caecum wami Raines & Pizzini, 2009
Species Caecum wayae Pizzini & Nofroni, 2001
Species Caecum zaagmani De Jong & Coomans, 1988
Subgenus Caecum (Defolinia) Weisbord, 1962 accepted as Caecum J. Fleming, 1813
Species Caecum achironum (de Folin, 1867) accepted as Caecum achirona (de Folin, 1867) (incorrect gender ending)
Species Caecum agoniatum de Folin, 1867 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum amaltheanum Hedley, 1899 accepted as Meioceras legumen (Hedley, 1899) accepted as Mauroceras legumen (Hedley, 1899)
Species Caecum amamiense (Habe, 1978) accepted as Mauroceras amamiense (Habe, 1978)
Species Caecum arabicum Issel, 1869 accepted as Caecum neocaledonicum de Folin, 1868 (unaccepted > junior subjective synonym)
Species Caecum arabicus Issel, 1869 accepted as Caecum arabicum Issel, 1869 accepted as Caecum neocaledonicum de Folin, 1868 (incorrect gender agreement of specific epithet)
Species Caecum arcuatum de Folin, 1869 accepted as Caecum sepimentum de Folin, 1868
Species Caecum bahiahondaense A. M. Strong & Hertlein, 1939 accepted as Caecum clathratum P. P. Carpenter, 1857
Species Caecum bakeri (Bartsch, 1920) accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum berthae Morretes, 1954 accepted as Caecum plicatum P. P. Carpenter, 1858
Species Caecum bimarginatum Dautzenberg, 1912 accepted as Caecum rolani Pizzini & Nofroni, 2001 (Invalid: junior homonym of Caecum bimarginatum Carpenter, 1859)
Species Caecum biminicola Pilsbry, 1951 accepted as Caecum plicatum P. P. Carpenter, 1858 (unaccepted > junior subjective synonym)
Species Caecum borneoensis de Folin, 1879 accepted as Caecum borneoense de Folin, 1879 (wrong gender agreement of specific epithet)
Species Caecum buccina de Folin, 1870 accepted as Caecum circumvolutum de Folin, 1867
Species Caecum bucheri Parenzan, 1979 accepted as Filogranula annulata (O. G. Costa, 1861) (transfer to other genus, other phylum)
Species Caecum butoti De Jong & Coomans, 1988 accepted as Caecum marmoratum de Folin, 1869
Species Caecum capitanum de Folin, 1874 accepted as Caecum pulchellum W. Stimpson, 1851
Species Caecum carmenense de Folin, 1870 accepted as Caecum circumvolutum de Folin, 1867
Species Caecum carpenteri (Bartsch, 1920) accepted as Caecum adamsi Raines, 2020
Species Caecum cayosense Rehder, 1943 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum clenchi Olsson & McGinty, 1958 accepted as Caecum cycloferum de Folin, 1867
Species Caecum cocoensis [sic] accepted as Caecum cocoense Sibaja-Cordero, García-Méndez & Troncoso, 2013 (wrong grammatical gender agreement of specific epithet)
Species Caecum complanatum de Folin, 1867 accepted as Caecum venustum de Folin, 1867
Species Caecum conjunctum de Folin, 1867 accepted as Caecum pulchellum W. Stimpson, 1851
Species Caecum contractum de Folin, 1870 accepted as Caecum bipartitum de Folin, 1870
Species Caecum cooperi P. P. Carpenter, 1866 accepted as Caecum californicum Dall, 1885 (invalid: junior homonym of Caecum cooperi S. Smith, 1860; C. californicum is a replacement name)
Species Caecum corneum Dunker, 1875 accepted as Caecum ryssotitum de Folin, 1867
Species Caecum cornucopiae (P. P. Carpenter, 1859) accepted as Meioceras cornucopiae P. P. Carpenter, 1859
Species Caecum coronatum de Folin, 1867 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum coronellum Dall, 1892 accepted as Caecum cycloferum de Folin, 1867 (unaccepted > junior subjective synonym)
Species Caecum corrugatulum [sic] accepted as Caecum corrugulatum P. P. Carpenter, 1857 (incorrect subsequent spelling of corrugulatum Carpenter, 1857)
Species Caecum costatum A. E. Verrill, 1872 accepted as Caecum cooperi S. Smith, 1860
Species Caecum crassicostum Gabb, 1881 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum cubitatum (de Folin, 1868) accepted as Meioceras cubitatum de Folin, 1868
Species Caecum curtatum de Folin, 1867 accepted as Caecum pulchellum W. Stimpson, 1851
Species Caecum dalli Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum decussatum de Folin, 1869 accepted as Caecum plicatum P. P. Carpenter, 1858
Species Caecum diegense Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum eburneum de Folin, 1886 accepted as Caecum folini Kisch, 1959 (invalid: junior homonym of Caecum eburneum C.B. Adams, 1852; Caecum folini is a replacement name)
Species Caecum eburneum C. B. Adams, 1852 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum elegans Perejaslavtseva, 1891 accepted as Caecum trachea (Montagu, 1803) (? Dubious synonym)
Species Caecum erucatum de Folin, 1867 accepted as Caecum clathratum P. P. Carpenter, 1857
Species Caecum fasciatum de Folin, 1876 accepted as Caecum trachea (Montagu, 1803)
Species Caecum formulosum de Folin, 1869 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum fulvum Kisch, 1959 accepted as Caecum neocaledonicum de Folin, 1868
Species Caecum grippi Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum heterapex Habe, 1963 accepted as Caecum clarum E. Lamy, 1909
Species Caecum hinoidei Habe, 1978 accepted as Caecum neocaledonicum de Folin, 1868
Species Caecum impartitum de Folin, 1867 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum imperfectum de Folin, 1867 accepted as Caecum laeve C. B. Adams, 1852 (most likely a badly worn early subadult stage of C. laeve)
Species Caecum incomptum (Monterosato, 1884) accepted as Caecum armoricum de Folin, 1869 (unaccepted combination)
Species Caecum insigne de Folin, 1867 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum instructum de Folin, 1870 accepted as Caecum bipartitum de Folin, 1870
Species Caecum interruptum de Folin, 1867 accepted as Caecum clathratum P. P. Carpenter, 1857
Species Caecum irregulare de Folin, 1867 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum legumen Hedley, 1899 accepted as Mauroceras legumen (Hedley, 1899) (original combination)
Species Caecum leptoglyphos de Folin, 1881 accepted as Caecum textile de Folin, 1867
Species Caecum lermondi Dall, 1924 accepted as Meioceras nitidum (W. Stimpson, 1851) (unaccepted > superseded combination)
Species Caecum leve C. B. Adams, 1852 accepted as Caecum laeve C. B. Adams, 1852 (incorrect subsequent spelling)
Species Caecum licalum Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum lightfootae Pizzini, Nofroni & Oliverio, 1994 accepted as Caecum atlantidis R. B. Watson, 1897
Species Caecum lilianum Hedley, 1903 accepted as Caecum sepimentum de Folin, 1868
Species Caecum liratocinctum P. P. Carpenter, 1857 accepted as Caecum laqueatum C. B. Adams, 1852 (unaccepted > junior subjective synonym)
Species Caecum lohri (A. M. Strong & Hertlein, 1939) accepted as Caecum superbum de Folin, 1867 (unaccepted > junior subjective synonym)
Species Caecum maculatum Habe, 1963 accepted as Caecum sepimentum de Folin, 1868
Species Caecum maestratii Pizzini, Raines & Vannozzi, 2013 accepted as Mauroceras maestratii (Pizzini, Raines & Vannozzi, 2013) (original combination)
Species Caecum malleatum de Folin, 1868 accepted as Caecum modestum de Folin, 1868
Species Caecum massambabensis Absalão, 1994 accepted as Caecum massambabense Absalão, 1994
Species Caecum microcyclos de Folin, 1880 accepted as Caecum attenuatum de Folin, 1880
Species Caecum microcyclus [sic] accepted as Caecum microcyclos de Folin, 1880 accepted as Caecum attenuatum de Folin, 1880 (subsequent spelling)
Species Caecum minutum de Folin, 1867 accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum mirabile de Folin, 1867 accepted as Caecum insculptum P. P. Carpenter, 1857
Species Caecum monstrosum C. B. Adams, 1852 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum multiannulatum Dautzenberg & Bouge, 1933 accepted as Caecum vertebrale Hedley, 1899
Species Caecum mutabile de Folin, 1869 accepted as Caecum venustum de Folin, 1867
Species Caecum nebulosum (Rehder, 1943) accepted as Meioceras cornucopiae P. P. Carpenter, 1859 (unaccepted > junior subjective synonym)
Species Caecum nitidum W. Stimpson, 1851 accepted as Meioceras nitidum (W. Stimpson, 1851) (unaccepted > superseded combination)
Species Caecum obesum A. E. Verrill & K. J. Bush, 1900 accepted as Caecum plicatum P. P. Carpenter, 1858 (unaccepted > junior subjective synonym)
Species Caecum obtusum P. P. Carpenter, 1857 accepted as Caecum subspirale P. P. Carpenter, 1857 (unaccepted > junior subjective synonym)
Species Caecum occidentale (Bartsch, 1920) accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum occultum de Folin, 1867 accepted as Caecum strangulatum de Folin, 1867
Species Caecum orientale de Folin, 1868 accepted as Caecum clarkii P. P. Carpenter, 1859 (dubious synonym)
Species Caecum parvulum de Folin, 1867 accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum phronimum de Folin, 1867 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum putnamense Mansfield, 1924 accepted as Caecum johnsoni Winkley, 1908 (unaccepted > junior subjective synonym)
Species Caecum putnamensis Mansfield, 1924 accepted as Caecum putnamense Mansfield, 1924 accepted as Caecum johnsoni Winkley, 1908 (unaccepted > incorrect grammatical agreement of specific epithet)
Species Caecum pygmaeum C. B. Adams, 1852 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum richthofeni A. M. Strong & Hertlein, 1939 accepted as Caecum strangulatum de Folin, 1867
Species Caecum rotundum de Folin, 1868 accepted as Meioceras nitidum (W. Stimpson, 1851)
Species Caecum ruggerii Pizzini, 1997 accepted as Caecum clarum E. Lamy, 1909
Species Caecum saavedrae V. Beltrán, 1965 accepted as Caecum auriculatum de Folin, 1868
Species Caecum sardinianum de Folin, 1870 accepted as Caecum clarkii P. P. Carpenter, 1859
Species Caecum sculptum de Folin, 1881 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum semitrachea Monterosato, 1884 accepted as Caecum trachea (Montagu, 1803)
Species Caecum smithi Cooper, 1872 accepted as Caecum cooperi S. Smith, 1860
Species Caecum solitarium W. R. B. Oliver, 1915 (unaccepted, Invalid: junior homonym of Caecum solitarium Meyer, 1886; C. maori is a replacement name)
Species Caecum suave de Folin, 1869 (unaccepted)
Species Caecum subornatum de Folin, 1869 (unaccepted)
Species Caecum suteri Odhner, 1924 (unaccepted)
Species Caecum syriacum de Folin, 1869 (unaccepted)
Species Caecum taeniatum de Folin, 1867 (unaccepted)
Species Caecum tenue Milaschewitsch, 1912 (unaccepted, invalid: junior homonym of Caecum tenue Verrill & Bush, 1900)
Species Caecum termes Heilprin, 1889 (unaccepted)
Species Caecum tomaculum Weisbord, 1962 (unaccepted)
Species Caecum triornatum de Folin, 1870 (unaccepted)
Species Caecum uncinatum de Folin, 1867 (unaccepted)
Species Caecum undatum P. P. Carpenter, 1857 (unaccepted)
Species Caecum uvea Pizzini, Raines & Vannozzi, 2013 (unaccepted, synonym)
Species Caecum validum de Folin, 1867 (unaccepted, uncertain synonym)
Species Caecum veracruzanum de Folin, 1870 (unaccepted)
Species Caecum vestitum de Folin, 1870 (unaccepted)
Subgenus Caecum (Anellum) P. P. Carpenter, 1857 (alternate representation)
Subgenus Caecum (Brochina) Gray, 1857 (alternate representation)
Species Caecum abreviatum de Folin, 1870 (uncertain > nomen dubium)
Species Caecum bicinctum de Folin, 1870 (uncertain > nomen dubium)
Species Caecum elegans de Folin, 1867 (uncertain > taxon inquirendum)
Species Caecum glabellum (P. P. Carpenter, 1868) (uncertain > nomen dubium)
Species Caecum gracile P. P. Carpenter, 1858 (uncertain > nomen dubium)
Species Caecum hemisphericum de Folin, 1867 (uncertain > nomen dubium)
Species Caecum imperforatum Kanmacher, 1798 (uncertain > nomen dubium)
Species Caecum sericeum de Folin, 1873 (uncertain > taxon inquirendum)
Species Caecum subornatum de Folin, 1874 (uncertain > taxon inquirendum, invalid: junior primary homonym of Caecum ornatum de Folin, 1869: a replacement name has not been proposed)
Species Caecum taeniatum de Folin, 1869 (uncertain > nomen dubium, junior homonym of Caecum Taeniatum de Folin, 1867)
Species Caecum adamsi Raines, 2020
Species Caecum amputatum Hedley, 1894
Species Caecum amydroglyptum Rehder, 1980
Species Caecum angustum de Folin, 1879
Species Caecum annulatum Emmons, 1858
Species Caecum antillarum P. P. Carpenter, 1858
Species Caecum armoricum de Folin, 1869
Species Caecum atlantidis R. B. Watson, 1897
Species Caecum attenuatum de Folin, 1880
Species Caecum auriculatum de Folin, 1868
Species Caecum austrafricanum Vannozzi, Pizzini & Raines, 2015
Species Caecum australe Pizzini & Raines, 2011
Species Caecum bathus Pizzini, Raines & Vannozzi, 2013
Species Caecum bimamillatum de Folin, 1867
Species Caecum bimarginatum P. P. Carpenter, 1859
Species Caecum biomaglo Vannozzi, 2023
Species Caecum bipartitum de Folin, 1870
Species Caecum borneoense de Folin, 1879
Species Caecum bounty Pizzini & Raines, 2011
Species Caecum brasilicum de Folin, 1874
Species Caecum brennani Raines & Pizzini, 2009
Species Caecum breve de Folin, 1867
Species Caecum bucerium (Golikov, 1967)
Species Caecum californicum Dall, 1885
Species Caecum campanulatum Raines & Pizzini, 2005
Species Caecum carolinianum Dall, 1892
Species Caecum caverna Moolenbeek, Faber & Iliffe, 1989
Species Caecum chilense Stuardo, 1962
Species Caecum chinense de Folin, 1868
Species Caecum cinctum Olsson & Harbison, 1953
Species Caecum circumvolutum de Folin, 1867
Species Caecum clarkii P. P. Carpenter, 1859
Species Caecum clarum E. Lamy, 1909
Species Caecum clathratum P. P. Carpenter, 1857
Species Caecum clava de Folin, 1867
Species Caecum cocoense Sibaja-Cordero, García-Méndez & Troncoso, 2013
Species Caecum codoceoae Gálvez & Huidobro, 2017
Species Caecum condylum D. R. Moore, 1969
Species Caecum continens van der Linden & Moolenbeek, 2000
Species Caecum cooki Pizzini & Raines, 2011
Species Caecum cooperi S. Smith, 1860
Species Caecum corrugulatum P. P. Carpenter, 1857
Species Caecum crassum de Folin, 1870
Species Caecum crebricinctum P. P. Carpenter, 1866
Species Caecum crispum A. E. Verrill & K. J. Bush, 1900
Species Caecum crystallinum de Folin, 1880
Species Caecum cuspidatum Chaster, 1896
Species Caecum cycloferum de Folin, 1867
Species Caecum dakuwaqa Pizzini, Raines & Vannozzi, 2013
Species Caecum danielei Pizzini & Raines, 2011
Species Caecum debile A. E. Verrill & K. J. Bush, 1900
Species Caecum delicatulum A. E. Verrill & K. J. Bush, 1900
Species Caecum derjugini (Golikov, 1967)
Species Caecum dextroversum P. P. Carpenter, 1857
Species Caecum digitulum Hedley, 1904
Species Caecum diminutum C. B. Adams, 1852
Species Caecum directum Vannozzi, 2019
Species Caecum donmoorei Mitchell-Tapping, 1979
Species Caecum draperi Raines, 2020
Species Caecum dux de Folin, 1871
Species Caecum egenum Vannozzi, 2017
Species Caecum elegantissimum P. P. Carpenter, 1859
Species Caecum eliezeri Absalão, 1997
Species Caecum elongatum P. P. Carpenter, 1857
Species Caecum engli Nofroni, Pizzini & Oliverio, 1997
Species Caecum eunoi Nofroni, Pizzini & Oliverio, 1997
Species Caecum exile de Folin, 1880
Species Caecum fijiense Pizzini, Raines & Vannozzi, 2013
Species Caecum firmatum C. B. Adams, 1852
Species Caecum floridanum W. Stimpson, 1851
Species Caecum folini Kisch, 1959
Species Caecum frugi Vannozzi, 2019
Species Caecum galapagoense Raines, 2020
Species Caecum geigeri Pizzini & Raines, 2011
Species Caecum glabriforme P. P. Carpenter, 1857
Species Caecum glabrum (Montagu, 1803)
Species Caecum gofasi Pizzini & Nofroni, 2001
Species Caecum granulatum Vannozzi, 2019
Species Caecum gulosum Hedley, 1899
Species Caecum gurgulio P. P. Carpenter, 1858
Species Caecum heptagonum P. P. Carpenter, 1857
Species Caecum heterochromum Raines & Pizzini, 2005
Species Caecum hyalinum Vannozzi, 2022
Species Caecum imbricatum P. P. Carpenter, 1858
Species Caecum incisum Vannozzi, Pizzini & Raines, 2015
Species Caecum inclinatum de Folin, 1869
Species Caecum infimum de Folin, 1867
Species Caecum inflatulum Vannozzi, 2017
Species Caecum inflatum de Folin, 1869
Species Caecum inhacaense Albano & Pizzini, 2011
Species Caecum insculptum P. P. Carpenter, 1857
Species Caecum insularum D. R. Moore, 1969
Species Caecum intortum Vannozzi, Pizzini & Raines, 2015
Species Caecum invisibile Egger & Jörger, 2020
Species Caecum iricolor Vannozzi, 2023
Species Caecum japonicum (Habe, 1978)
Species Caecum johnsoni Winkley, 1908
Species Caecum jonatani Espinosa, Ortea & Fernández-Garcés, 2007
Species Caecum jucundum de Folin, 1867
Species Caecum knysnaense Vannozzi, Pizzini & Raines, 2015
Species Caecum kontiki Pizzini & Raines, 2011
Species Caecum laeve C. B. Adams, 1852
Species Caecum lapita Pizzini, Raines & Vannozzi, 2013
Species Caecum laqueatum C. B. Adams, 1852
Species Caecum leilae Vannozzi, Pizzini & Raines, 2015
Species Caecum lightfootanum Raines, 2020
Species Caecum limnetes Long, 1972
Species Caecum limpidum de Folin, 1874
Species Caecum lindae Vannozzi, Pizzini & Raines, 2015
Species Caecum lineicinctum de Folin, 1880
Species Caecum loyaltense Pizzini, Raines & Vannozzi, 2013
Species Caecum lucidum de Folin, 1867
Species Caecum macrum van der Linden & Moolenbeek, 2000
Species Caecum magellanicum (di Geronimo, Privitera & Valdovinos, 1995)
Species Caecum maori Pizzini & Raines, 2006
Species Caecum maraisi Vannozzi, Pizzini & Raines, 2015
Species Caecum marginatum de Folin, 1869
Species Caecum marmoratum de Folin, 1869
Species Caecum massambabense Absalão, 1994
Species Caecum mauritianum de Folin, 1867
Species Caecum metamorphosicum S. Lima, Santos & Absalão, 2013
Species Caecum microstriatum Pizzini, Raines & Vannozzi, 2013
Species Caecum mirificum de Folin, 1867
Species Caecum modestum de Folin, 1868
Species Caecum moorei (Marincovich, 1973)
Species Caecum morgan Vannozzi, Pizzini & Raines, 2015
Species Caecum multicostatum de Folin, 1867
Species Caecum musorstomi Pizzini, Raines & Vannozzi, 2013
Species Caecum nasutum Vannozzi, 2019
Species Caecum neocaledonicum de Folin, 1868
Species Caecum neoguineanum Vannozzi, 2019
Species Caecum nofronii Vannozzi, 2019
Species Caecum oahuense Pilsbry, 1921
Species Caecum orcutti Dall, 1885
Species Caecum paradoxum de Folin, 1867
Species Caecum parvum C. B. Adams, 1852
Species Caecum pascuanum Raines & Pizzini, 2005
Species Caecum planum de Folin, 1874
Species Caecum plicatum P. P. Carpenter, 1858
Species Caecum pollicare P. P. Carpenter, 1859
Species Caecum praegrande Vannozzi, 2017
Species Caecum pulchellum W. Stimpson, 1851
Species Caecum quadratum P. P. Carpenter, 1857
Species Caecum rapanuiense Raines & Pizzini, 2005
Species Caecum regulare P. P. Carpenter, 1858
Species Caecum rehderi Raines & Pizzini, 2005
Species Caecum reversum P. P. Carpenter, 1857
Species Caecum rijgersmai De Jong & Coomans, 1988
Species Caecum rolani Pizzini & Nofroni, 2001
Species Caecum rostratum de Folin, 1881
Species Caecum ryssotitum de Folin, 1867
Species Caecum searleswoodii P. P. Carpenter, 1859
Species Caecum semicinctum de Folin, 1867
Species Caecum semilaeve P. P. Carpenter, 1857
Species Caecum senegambianum de Folin, 1870
Species Caecum sepimentum de Folin, 1868
Species Caecum shaskyi Raines, 2020
Species Caecum simplicissimum Thiele, 1925
Species Caecum sinuatum de Folin, 1867
Species Caecum skoglundae Pizzini, Raines & Nofroni, 2007
Species Caecum smriglioi Pizzini, Nofroni & Bonfitto, 2008
Species Caecum someri (de Folin, 1867)
Species Caecum spiculum Raines, 2020
Species Caecum spinosum de Folin, 1873
Species Caecum strangulatum de Folin, 1867
Species Caecum striatum de Folin, 1868
Species Caecum strictum de Folin, 1871
Species Caecum strigosum de Folin, 1868
Species Caecum subannulatum de Folin, 1870
Species Caecum subaustrale Stuardo, 1970
Species Caecum subcylindratum Pizzini, Raines & Vannozzi, 2013
Species Caecum subflavum de Folin, 1880
Species Caecum subquadratum P. P. Carpenter, 1859
Species Caecum subspirale P. P. Carpenter, 1857
Species Caecum subvolutum de Folin, 1874
Species Caecum succineum de Folin, 1880
Species Caecum superbum de Folin, 1867
Species Caecum swinneni Nofroni, Pizzini & Oliverio, 1997
Species Caecum tahitianum Pizzini & Raines, 2011
Species Caecum tenue A. E. Verrill & K. J. Bush, 1900
Species Caecum tenuicostatum de Folin, 1881
Species Caecum teres P. P. Carpenter, 1857
Species Caecum textile de Folin, 1867
Species Caecum tornatum A. E. Verrill & K. J. Bush, 1900
Species Caecum torquetum de Folin, 1867
Species Caecum tortile Dall, 1892
Species Caecum trachea (Montagu, 1803)
Species Caecum trindadense S. Lima, Santos & Absalão, 2013
Species Caecum troglodyta Moolenbeek, Faber & Iliffe, 1989
Species Caecum vanuatuarum Pizzini, Raines & Vannozzi, 2013
Species Caecum varanoi Pizzini, Nofroni & Bonfitto, 2008
Species Caecum variegatum de Folin, 1867
Species Caecum venosum de Folin, 1867
Species Caecum venustum de Folin, 1867
Species Caecum vertebrale Hedley, 1899
Species Caecum vicinum de Folin, 1870
Species Caecum virginiae Pizzini, Raines & Vannozzi, 2013
Species Caecum vitreum P. P. Carpenter, 1859
Species Caecum wami Raines & Pizzini, 2009
Species Caecum wayae Pizzini & Nofroni, 2001
Species Caecum zaagmani De Jong & Coomans, 1988
Subgenus Caecum (Defolinia) Weisbord, 1962 accepted as Caecum J. Fleming, 1813
» Species Caecum (Defolinia) tomaculum Weisbord, 1962 accepted as Caecum ryssotitum de Folin, 1867
Subgenus Caecum (Meioceras) P. P. Carpenter, 1859 accepted as Meioceras P. P. Carpenter, 1859 » Species Caecum (Meioceras) lermondi Dall, 1924 accepted as Meioceras nitidum (W. Stimpson, 1851) (unaccepted > junior subjective synonym)
Subgenus Caecum (Micranellum) Bartsch, 1920 accepted as Caecum J. Fleming, 1813 » Species Caecum (Micranellum) limnetes Long, 1972 accepted as Caecum limnetes Long, 1972 (basionym)
Subgenus Caecum (Strebloceras) P. P. Carpenter, 1859 accepted as Strebloceras P. P. Carpenter, 1859Species Caecum achironum (de Folin, 1867) accepted as Caecum achirona (de Folin, 1867) (incorrect gender ending)
Species Caecum agoniatum de Folin, 1867 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum amaltheanum Hedley, 1899 accepted as Meioceras legumen (Hedley, 1899) accepted as Mauroceras legumen (Hedley, 1899)
Species Caecum amamiense (Habe, 1978) accepted as Mauroceras amamiense (Habe, 1978)
Species Caecum arabicum Issel, 1869 accepted as Caecum neocaledonicum de Folin, 1868 (unaccepted > junior subjective synonym)
Species Caecum arabicus Issel, 1869 accepted as Caecum arabicum Issel, 1869 accepted as Caecum neocaledonicum de Folin, 1868 (incorrect gender agreement of specific epithet)
Species Caecum arcuatum de Folin, 1869 accepted as Caecum sepimentum de Folin, 1868
Species Caecum bahiahondaense A. M. Strong & Hertlein, 1939 accepted as Caecum clathratum P. P. Carpenter, 1857
Species Caecum bakeri (Bartsch, 1920) accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum berthae Morretes, 1954 accepted as Caecum plicatum P. P. Carpenter, 1858
Species Caecum bimarginatum Dautzenberg, 1912 accepted as Caecum rolani Pizzini & Nofroni, 2001 (Invalid: junior homonym of Caecum bimarginatum Carpenter, 1859)
Species Caecum biminicola Pilsbry, 1951 accepted as Caecum plicatum P. P. Carpenter, 1858 (unaccepted > junior subjective synonym)
Species Caecum borneoensis de Folin, 1879 accepted as Caecum borneoense de Folin, 1879 (wrong gender agreement of specific epithet)
Species Caecum buccina de Folin, 1870 accepted as Caecum circumvolutum de Folin, 1867
Species Caecum bucheri Parenzan, 1979 accepted as Filogranula annulata (O. G. Costa, 1861) (transfer to other genus, other phylum)
Species Caecum butoti De Jong & Coomans, 1988 accepted as Caecum marmoratum de Folin, 1869
Species Caecum capitanum de Folin, 1874 accepted as Caecum pulchellum W. Stimpson, 1851
Species Caecum carmenense de Folin, 1870 accepted as Caecum circumvolutum de Folin, 1867
Species Caecum carpenteri (Bartsch, 1920) accepted as Caecum adamsi Raines, 2020
Species Caecum cayosense Rehder, 1943 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum clenchi Olsson & McGinty, 1958 accepted as Caecum cycloferum de Folin, 1867
Species Caecum cocoensis [sic] accepted as Caecum cocoense Sibaja-Cordero, García-Méndez & Troncoso, 2013 (wrong grammatical gender agreement of specific epithet)
Species Caecum complanatum de Folin, 1867 accepted as Caecum venustum de Folin, 1867
Species Caecum conjunctum de Folin, 1867 accepted as Caecum pulchellum W. Stimpson, 1851
Species Caecum contractum de Folin, 1870 accepted as Caecum bipartitum de Folin, 1870
Species Caecum cooperi P. P. Carpenter, 1866 accepted as Caecum californicum Dall, 1885 (invalid: junior homonym of Caecum cooperi S. Smith, 1860; C. californicum is a replacement name)
Species Caecum corneum Dunker, 1875 accepted as Caecum ryssotitum de Folin, 1867
Species Caecum cornucopiae (P. P. Carpenter, 1859) accepted as Meioceras cornucopiae P. P. Carpenter, 1859
Species Caecum coronatum de Folin, 1867 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum coronellum Dall, 1892 accepted as Caecum cycloferum de Folin, 1867 (unaccepted > junior subjective synonym)
Species Caecum corrugatulum [sic] accepted as Caecum corrugulatum P. P. Carpenter, 1857 (incorrect subsequent spelling of corrugulatum Carpenter, 1857)
Species Caecum costatum A. E. Verrill, 1872 accepted as Caecum cooperi S. Smith, 1860
Species Caecum crassicostum Gabb, 1881 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum cubitatum (de Folin, 1868) accepted as Meioceras cubitatum de Folin, 1868
Species Caecum curtatum de Folin, 1867 accepted as Caecum pulchellum W. Stimpson, 1851
Species Caecum dalli Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum decussatum de Folin, 1869 accepted as Caecum plicatum P. P. Carpenter, 1858
Species Caecum diegense Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum eburneum de Folin, 1886 accepted as Caecum folini Kisch, 1959 (invalid: junior homonym of Caecum eburneum C.B. Adams, 1852; Caecum folini is a replacement name)
Species Caecum eburneum C. B. Adams, 1852 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum elegans Perejaslavtseva, 1891 accepted as Caecum trachea (Montagu, 1803) (? Dubious synonym)
Species Caecum erucatum de Folin, 1867 accepted as Caecum clathratum P. P. Carpenter, 1857
Species Caecum fasciatum de Folin, 1876 accepted as Caecum trachea (Montagu, 1803)
Species Caecum formulosum de Folin, 1869 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum fulvum Kisch, 1959 accepted as Caecum neocaledonicum de Folin, 1868
Species Caecum grippi Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum heterapex Habe, 1963 accepted as Caecum clarum E. Lamy, 1909
Species Caecum hinoidei Habe, 1978 accepted as Caecum neocaledonicum de Folin, 1868
Species Caecum impartitum de Folin, 1867 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum imperfectum de Folin, 1867 accepted as Caecum laeve C. B. Adams, 1852 (most likely a badly worn early subadult stage of C. laeve)
Species Caecum incomptum (Monterosato, 1884) accepted as Caecum armoricum de Folin, 1869 (unaccepted combination)
Species Caecum insigne de Folin, 1867 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum instructum de Folin, 1870 accepted as Caecum bipartitum de Folin, 1870
Species Caecum interruptum de Folin, 1867 accepted as Caecum clathratum P. P. Carpenter, 1857
Species Caecum irregulare de Folin, 1867 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum legumen Hedley, 1899 accepted as Mauroceras legumen (Hedley, 1899) (original combination)
Species Caecum leptoglyphos de Folin, 1881 accepted as Caecum textile de Folin, 1867
Species Caecum lermondi Dall, 1924 accepted as Meioceras nitidum (W. Stimpson, 1851) (unaccepted > superseded combination)
Species Caecum leve C. B. Adams, 1852 accepted as Caecum laeve C. B. Adams, 1852 (incorrect subsequent spelling)
Species Caecum licalum Bartsch, 1920 accepted as Caecum quadratum P. P. Carpenter, 1857
Species Caecum lightfootae Pizzini, Nofroni & Oliverio, 1994 accepted as Caecum atlantidis R. B. Watson, 1897
Species Caecum lilianum Hedley, 1903 accepted as Caecum sepimentum de Folin, 1868
Species Caecum liratocinctum P. P. Carpenter, 1857 accepted as Caecum laqueatum C. B. Adams, 1852 (unaccepted > junior subjective synonym)
Species Caecum lohri (A. M. Strong & Hertlein, 1939) accepted as Caecum superbum de Folin, 1867 (unaccepted > junior subjective synonym)
Species Caecum maculatum Habe, 1963 accepted as Caecum sepimentum de Folin, 1868
Species Caecum maestratii Pizzini, Raines & Vannozzi, 2013 accepted as Mauroceras maestratii (Pizzini, Raines & Vannozzi, 2013) (original combination)
Species Caecum malleatum de Folin, 1868 accepted as Caecum modestum de Folin, 1868
Species Caecum massambabensis Absalão, 1994 accepted as Caecum massambabense Absalão, 1994
Species Caecum microcyclos de Folin, 1880 accepted as Caecum attenuatum de Folin, 1880
Species Caecum microcyclus [sic] accepted as Caecum microcyclos de Folin, 1880 accepted as Caecum attenuatum de Folin, 1880 (subsequent spelling)
Species Caecum minutum de Folin, 1867 accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum mirabile de Folin, 1867 accepted as Caecum insculptum P. P. Carpenter, 1857
Species Caecum monstrosum C. B. Adams, 1852 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum multiannulatum Dautzenberg & Bouge, 1933 accepted as Caecum vertebrale Hedley, 1899
Species Caecum mutabile de Folin, 1869 accepted as Caecum venustum de Folin, 1867
Species Caecum nebulosum (Rehder, 1943) accepted as Meioceras cornucopiae P. P. Carpenter, 1859 (unaccepted > junior subjective synonym)
Species Caecum nitidum W. Stimpson, 1851 accepted as Meioceras nitidum (W. Stimpson, 1851) (unaccepted > superseded combination)
Species Caecum obesum A. E. Verrill & K. J. Bush, 1900 accepted as Caecum plicatum P. P. Carpenter, 1858 (unaccepted > junior subjective synonym)
Species Caecum obtusum P. P. Carpenter, 1857 accepted as Caecum subspirale P. P. Carpenter, 1857 (unaccepted > junior subjective synonym)
Species Caecum occidentale (Bartsch, 1920) accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum occultum de Folin, 1867 accepted as Caecum strangulatum de Folin, 1867
Species Caecum orientale de Folin, 1868 accepted as Caecum clarkii P. P. Carpenter, 1859 (dubious synonym)
Species Caecum parvulum de Folin, 1867 accepted as Caecum dextroversum P. P. Carpenter, 1857
Species Caecum phronimum de Folin, 1867 accepted as Caecum floridanum W. Stimpson, 1851
Species Caecum putnamense Mansfield, 1924 accepted as Caecum johnsoni Winkley, 1908 (unaccepted > junior subjective synonym)
Species Caecum putnamensis Mansfield, 1924 accepted as Caecum putnamense Mansfield, 1924 accepted as Caecum johnsoni Winkley, 1908 (unaccepted > incorrect grammatical agreement of specific epithet)
Species Caecum pygmaeum C. B. Adams, 1852 accepted as Caecum firmatum C. B. Adams, 1852
Species Caecum richthofeni A. M. Strong & Hertlein, 1939 accepted as Caecum strangulatum de Folin, 1867
Species Caecum rotundum de Folin, 1868 accepted as Meioceras nitidum (W. Stimpson, 1851)
Species Caecum ruggerii Pizzini, 1997 accepted as Caecum clarum E. Lamy, 1909
Species Caecum saavedrae V. Beltrán, 1965 accepted as Caecum auriculatum de Folin, 1868
Species Caecum sardinianum de Folin, 1870 accepted as Caecum clarkii P. P. Carpenter, 1859
Species Caecum sculptum de Folin, 1881 accepted as Caecum imbricatum P. P. Carpenter, 1858
Species Caecum semitrachea Monterosato, 1884 accepted as Caecum trachea (Montagu, 1803)
Species Caecum smithi Cooper, 1872 accepted as Caecum cooperi S. Smith, 1860
Species Caecum solitarium W. R. B. Oliver, 1915 (unaccepted, Invalid: junior homonym of Caecum solitarium Meyer, 1886; C. maori is a replacement name)
Species Caecum suave de Folin, 1869 (unaccepted)
Species Caecum subornatum de Folin, 1869 (unaccepted)
Species Caecum suteri Odhner, 1924 (unaccepted)
Species Caecum syriacum de Folin, 1869 (unaccepted)
Species Caecum taeniatum de Folin, 1867 (unaccepted)
Species Caecum tenue Milaschewitsch, 1912 (unaccepted, invalid: junior homonym of Caecum tenue Verrill & Bush, 1900)
Species Caecum termes Heilprin, 1889 (unaccepted)
Species Caecum tomaculum Weisbord, 1962 (unaccepted)
Species Caecum triornatum de Folin, 1870 (unaccepted)
Species Caecum uncinatum de Folin, 1867 (unaccepted)
Species Caecum undatum P. P. Carpenter, 1857 (unaccepted)
Species Caecum uvea Pizzini, Raines & Vannozzi, 2013 (unaccepted, synonym)
Species Caecum validum de Folin, 1867 (unaccepted, uncertain synonym)
Species Caecum veracruzanum de Folin, 1870 (unaccepted)
Species Caecum vestitum de Folin, 1870 (unaccepted)
Subgenus Caecum (Anellum) P. P. Carpenter, 1857 (alternate representation)
» Species Caecum (Anellum) clathratum P. P. Carpenter, 1857 accepted as Caecum clathratum P. P. Carpenter, 1857
» Species Caecum (Anellum) compactum P. P. Carpenter, 1857 accepted as Caecum quadratum P. P. Carpenter, 1857
» Species Caecum (Anellum) crebricinctum P. P. Carpenter, 1866 accepted as Caecum crebricinctum P. P. Carpenter, 1866 (basionym)
» Species Caecum (Anellum) elongatum P. P. Carpenter, 1857 accepted as Caecum elongatum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Anellum) quadratum P. P. Carpenter, 1857 accepted as Caecum quadratum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Anellum) subimpressum P. P. Carpenter, 1857 accepted as Caecum elongatum P. P. Carpenter, 1857
» Species Caecum (Anellum) undatum P. P. Carpenter, 1857 accepted as Caecum parvum C. B. Adams, 1852
Subgenus Caecum (Bambusum) Olsson & Harbison, 1954 (alternate representation)» Species Caecum (Anellum) compactum P. P. Carpenter, 1857 accepted as Caecum quadratum P. P. Carpenter, 1857
» Species Caecum (Anellum) crebricinctum P. P. Carpenter, 1866 accepted as Caecum crebricinctum P. P. Carpenter, 1866 (basionym)
» Species Caecum (Anellum) elongatum P. P. Carpenter, 1857 accepted as Caecum elongatum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Anellum) quadratum P. P. Carpenter, 1857 accepted as Caecum quadratum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Anellum) subimpressum P. P. Carpenter, 1857 accepted as Caecum elongatum P. P. Carpenter, 1857
» Species Caecum (Anellum) undatum P. P. Carpenter, 1857 accepted as Caecum parvum C. B. Adams, 1852
Subgenus Caecum (Brochina) Gray, 1857 (alternate representation)
» Species Caecum (Brochina) achirona (de Folin, 1867) represented as Caecum achirona (de Folin, 1867)
» Species Caecum (Brochina) digitulum Hedley, 1904 represented as Caecum digitulum Hedley, 1904
» Species Caecum (Brochina) glabrum (Montagu, 1803) represented as Caecum glabrum (Montagu, 1803)
» Species Caecum (Brochina) maori Pizzini & Raines, 2006 represented as Caecum maori Pizzini & Raines, 2006
Subgenus Caecum (Caecum) J. Fleming, 1813 (alternate representation)» Species Caecum (Brochina) digitulum Hedley, 1904 represented as Caecum digitulum Hedley, 1904
» Species Caecum (Brochina) glabrum (Montagu, 1803) represented as Caecum glabrum (Montagu, 1803)
» Species Caecum (Brochina) maori Pizzini & Raines, 2006 represented as Caecum maori Pizzini & Raines, 2006
» Species Caecum (Caecum) cayosense Rehder, 1943 accepted as Caecum floridanum W. Stimpson, 1851
Subgenus Caecum (Fartulum) P. P. Carpenter, 1857 (alternate representation) » Species Caecum (Fartulum) corrugulatum P. P. Carpenter, 1857 accepted as Caecum corrugulatum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Fartulum) dextroversum P. P. Carpenter, 1857 accepted as Caecum dextroversum P. P. Carpenter, 1857
» Species Caecum (Fartulum) farcimen P. P. Carpenter, 1857 accepted as Caecum diminutum C. B. Adams, 1852
» Species Caecum (Fartulum) glabriforme P. P. Carpenter, 1857 accepted as Caecum glabriforme P. P. Carpenter, 1857 (basionym)
» Species Caecum (Fartulum) reversum P. P. Carpenter, 1857 accepted as Caecum reversum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Fartulum) teres P. P. Carpenter, 1857 accepted as Caecum teres P. P. Carpenter, 1857 (basionym)
» Species Caecum (Fartulum) dextroversum P. P. Carpenter, 1857 accepted as Caecum dextroversum P. P. Carpenter, 1857
» Species Caecum (Fartulum) farcimen P. P. Carpenter, 1857 accepted as Caecum diminutum C. B. Adams, 1852
» Species Caecum (Fartulum) glabriforme P. P. Carpenter, 1857 accepted as Caecum glabriforme P. P. Carpenter, 1857 (basionym)
» Species Caecum (Fartulum) reversum P. P. Carpenter, 1857 accepted as Caecum reversum P. P. Carpenter, 1857 (basionym)
» Species Caecum (Fartulum) teres P. P. Carpenter, 1857 accepted as Caecum teres P. P. Carpenter, 1857 (basionym)
Species Caecum abreviatum de Folin, 1870 (uncertain > nomen dubium)
Species Caecum bicinctum de Folin, 1870 (uncertain > nomen dubium)
Species Caecum elegans de Folin, 1867 (uncertain > taxon inquirendum)
Species Caecum glabellum (P. P. Carpenter, 1868) (uncertain > nomen dubium)
Species Caecum gracile P. P. Carpenter, 1858 (uncertain > nomen dubium)
Species Caecum hemisphericum de Folin, 1867 (uncertain > nomen dubium)
Species Caecum imperforatum Kanmacher, 1798 (uncertain > nomen dubium)
Species Caecum sericeum de Folin, 1873 (uncertain > taxon inquirendum)
Species Caecum subornatum de Folin, 1874 (uncertain > taxon inquirendum, invalid: junior primary homonym of Caecum ornatum de Folin, 1869: a replacement name has not been proposed)
Species Caecum taeniatum de Folin, 1869 (uncertain > nomen dubium, junior homonym of Caecum Taeniatum de Folin, 1867)
marine, brackish, fresh, terrestrial
recent + fossil
Fleming, J. (1813). Conchology. <em>Brewster's Edinburgh Encyclopedia.</em> 7, 55-107., available online at https://www.biodiversitylibrary.org/page/37187234
page(s): 67 [details]
page(s): 67 [details]
MolluscaBase eds. (2023). MolluscaBase. Caecum J. Fleming, 1813. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=137718 on 2023-10-03
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original description
Fleming, J. (1813). Conchology. <em>Brewster's Edinburgh Encyclopedia.</em> 7, 55-107., available online at https://www.biodiversitylibrary.org/page/37187234
page(s): 67 [details]
original description (of Cornuoides T. Brown, 1827) Brown, T. (1827). Illustrations of the conchology of Great Britain and Ireland. Drawn from nature. <em>W.H. Lizars and D. Lizars, Edinburgh and S. Highley, London.</em> 144 pp., 52 pls., available online at http://www.biodiversitylibrary.org/item/127868
page(s): pl.1 fig.49, 50 [details]
original description (of Caecum (Anellum) P. P. Carpenter, 1857) Carpenter, P. P. (1857). <i>Catalogue of the collection of Mazatlan Mollusca in the British Museum collected by Frederick Reigen</i>. London: British Museum. xvi + 552 pp. , available online at http://www.biodiversitylibrary.org/item/61252 [details]
original description (of Caecum (Bambusum) Olsson & Harbison, 1954) Olsson, A. A. & Harbison, A. (1954). ANSP Monograph 8: Pliocene Mollusca of Southern Florida. Addendum & Corrigendum. <em>The Nautilus.</em> 68(2): 71-72., available online at https://www.biodiversitylibrary.org/page/8516552 [details]
original description (of Caecum (Fartulum) P. P. Carpenter, 1857) Carpenter, P. P. (1857). <i>Catalogue of the collection of Mazatlan Mollusca in the British Museum collected by Frederick Reigen</i>. London: British Museum. xvi + 552 pp. , available online at http://www.biodiversitylibrary.org/item/61252
page(s): 325. [details]
original description (of Brochina Gray, 1857) Gray, J. E. (1857). <i>Guide to the systematic distribution of Mollusca in the British Museum</i>. Part I. [Gastropoda]. British Museum, London, xii + 230 pp. [9 May; Preface dated 10 Dec. 1856]. , available online at http://www.biodiversitylibrary.org/item/117528 [details]
original description (of Odontidium R. A. Philippi, 1836) Philippi, R. A. (1836). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium quae in itinere suo observavit. Vol. 1. xiv + 267 p., pls. 1-12. Sumptibus Simonis Schroppii et Sociorum. Berolini [Berlin], 1836., available online at https://www.biodiversitylibrary.org/bibliography/100735#/summary [details]
original description (of Brochus T. Brown, 1827) Brown, T. (1827). Illustrations of the conchology of Great Britain and Ireland. Drawn from nature. <em>W.H. Lizars and D. Lizars, Edinburgh and S. Highley, London.</em> 144 pp., 52 pls., available online at http://www.biodiversitylibrary.org/item/127868
page(s): pl. 1, and index p. i [details]
original description (of Elephantanellum Bartsch, 1920) Bartsch, P. (1920). The Caecidae and other marine mollusks from the northwest coast of America. <em>Journal of the Washington Academy of Sciences.</em> 10 (20): 565-572., available online at https://www.biodiversitylibrary.org/page/5462466
page(s): 567 [details]
original description (of Elephantulum P. P. Carpenter, 1857) Carpenter, P. P. (1857). <i>Catalogue of the collection of Mazatlan Mollusca in the British Museum collected by Frederick Reigen</i>. London: British Museum. xvi + 552 pp. , available online at http://www.biodiversitylibrary.org/item/61252 [details]
original description (of Micranellum Bartsch, 1920) Bartsch, P. (1920). The Caecidae and other marine mollusks from the northwest coast of America. <em>Journal of the Washington Academy of Sciences.</em> 10 (20): 565-572., available online at https://www.biodiversitylibrary.org/page/5462466
page(s): 568 [details]
original description (of Caecalium J. Fleming, 1822) Fleming, J. (1822). The philosophy of zoology: or a general view of the structure, functions and classification of animals. <em>Edinburgh Vol.</em> 2: 1-618., available online at https://www.biodiversitylibrary.org/page/28230157
page(s): 601 [details]
context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details] Available for editors
[request]
additional source Goedert J.L. & Raines B.K. (2016). First Paleogene Caecidae (Gastropoda: Truncatelloidea) from the northeastern Pacific Ocean and the earliest record for the genus <i>Caecum</i> Fleming, 1813. <em>Proceedings of the Biological Society of Washington.</em> 129: 38-47., available online at https://doi.org/10.2988/0006-324X-129.Q1.38 [details]
page(s): 67 [details]
original description (of Cornuoides T. Brown, 1827) Brown, T. (1827). Illustrations of the conchology of Great Britain and Ireland. Drawn from nature. <em>W.H. Lizars and D. Lizars, Edinburgh and S. Highley, London.</em> 144 pp., 52 pls., available online at http://www.biodiversitylibrary.org/item/127868
page(s): pl.1 fig.49, 50 [details]
original description (of Caecum (Anellum) P. P. Carpenter, 1857) Carpenter, P. P. (1857). <i>Catalogue of the collection of Mazatlan Mollusca in the British Museum collected by Frederick Reigen</i>. London: British Museum. xvi + 552 pp. , available online at http://www.biodiversitylibrary.org/item/61252 [details]
original description (of Caecum (Bambusum) Olsson & Harbison, 1954) Olsson, A. A. & Harbison, A. (1954). ANSP Monograph 8: Pliocene Mollusca of Southern Florida. Addendum & Corrigendum. <em>The Nautilus.</em> 68(2): 71-72., available online at https://www.biodiversitylibrary.org/page/8516552 [details]
original description (of Caecum (Fartulum) P. P. Carpenter, 1857) Carpenter, P. P. (1857). <i>Catalogue of the collection of Mazatlan Mollusca in the British Museum collected by Frederick Reigen</i>. London: British Museum. xvi + 552 pp. , available online at http://www.biodiversitylibrary.org/item/61252
page(s): 325. [details]
original description (of Brochina Gray, 1857) Gray, J. E. (1857). <i>Guide to the systematic distribution of Mollusca in the British Museum</i>. Part I. [Gastropoda]. British Museum, London, xii + 230 pp. [9 May; Preface dated 10 Dec. 1856]. , available online at http://www.biodiversitylibrary.org/item/117528 [details]
original description (of Odontidium R. A. Philippi, 1836) Philippi, R. A. (1836). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium quae in itinere suo observavit. Vol. 1. xiv + 267 p., pls. 1-12. Sumptibus Simonis Schroppii et Sociorum. Berolini [Berlin], 1836., available online at https://www.biodiversitylibrary.org/bibliography/100735#/summary [details]
original description (of Brochus T. Brown, 1827) Brown, T. (1827). Illustrations of the conchology of Great Britain and Ireland. Drawn from nature. <em>W.H. Lizars and D. Lizars, Edinburgh and S. Highley, London.</em> 144 pp., 52 pls., available online at http://www.biodiversitylibrary.org/item/127868
page(s): pl. 1, and index p. i [details]
original description (of Elephantanellum Bartsch, 1920) Bartsch, P. (1920). The Caecidae and other marine mollusks from the northwest coast of America. <em>Journal of the Washington Academy of Sciences.</em> 10 (20): 565-572., available online at https://www.biodiversitylibrary.org/page/5462466
page(s): 567 [details]
original description (of Elephantulum P. P. Carpenter, 1857) Carpenter, P. P. (1857). <i>Catalogue of the collection of Mazatlan Mollusca in the British Museum collected by Frederick Reigen</i>. London: British Museum. xvi + 552 pp. , available online at http://www.biodiversitylibrary.org/item/61252 [details]
original description (of Micranellum Bartsch, 1920) Bartsch, P. (1920). The Caecidae and other marine mollusks from the northwest coast of America. <em>Journal of the Washington Academy of Sciences.</em> 10 (20): 565-572., available online at https://www.biodiversitylibrary.org/page/5462466
page(s): 568 [details]
original description (of Caecalium J. Fleming, 1822) Fleming, J. (1822). The philosophy of zoology: or a general view of the structure, functions and classification of animals. <em>Edinburgh Vol.</em> 2: 1-618., available online at https://www.biodiversitylibrary.org/page/28230157
page(s): 601 [details]
context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details] Available for editors
[request] additional source Goedert J.L. & Raines B.K. (2016). First Paleogene Caecidae (Gastropoda: Truncatelloidea) from the northeastern Pacific Ocean and the earliest record for the genus <i>Caecum</i> Fleming, 1813. <em>Proceedings of the Biological Society of Washington.</em> 129: 38-47., available online at https://doi.org/10.2988/0006-324X-129.Q1.38 [details]
Present Inaccurate Introduced: alien Containing type locality
From other sources
Habitat Known from seamounts and knolls [details]Remark Vermiculum pervium, originally named by Montagu (1803: 518-519), based on a figure by G. Walker (1784, pl.1 fig.12), which depicts a fairly non-descript minute straight shell with a small spiralised beginning, was thought to be a Caecum by Mörch (1863: 464), but also attributed to the serpulid Spirorbis pervius (Montagu, 1803) by Fleming (1825: 245) [details]
To European Nucleotide Archive (ENA)
To Genbank
To Yale Peabody Museum of Natural History (YPM IZ 065232)
To ITIS
To Genbank
To Yale Peabody Museum of Natural History (YPM IZ 065232)
To ITIS
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| Caecum trachea (Mon... [image from typetaxon] | |
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| Caecum trachea [image from typetaxon] | |
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| Caecum trachea [image from typetaxon] | |
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| Caecum trachea [image from typetaxon] | |
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| Caecum trachea [image from typetaxon] | |
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| Caecum trachea [image from typetaxon] | |
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| To Yale Peabody Mus... [hosted externally] | |
