WoRMS source details

Clark AH, Clark AM (1967) A monograph of the existing crinoids 1(5). Bulletin of the United States National Museum (82):1-860.
133557
Clark, A.; Clark, A.
1967
A monograph of the existing crinoids 1(5
Bulletin of the United States National Museum
82-1
Publication
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2013-01-12 18:30:12Z
created
db_admin

Checked: verified by a taxonomic editorAdelometra AH Clark, 1907 (additional source)
Checked: verified by a taxonomic editorAdelometra angustiradia (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAdelometra tenuipes AH Clark, 1908 accepted as Checked: verified by a taxonomic editorCaryometra tenuipes (AH Clark, 1908) (basis of record)
Checked: verified by a taxonomic editorAlecto eschrichtii Müller, 1841 accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAlecto europaea Leach, 1815 accepted as Checked: verified by a taxonomic editorAntedon bifida bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAlecto glacialis Owen, 1833 ex Leach MS accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAlecto milleri Müller, 1841 accepted as Checked: verified by a taxonomic editorAntedon bifida bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAlecto petasus Düben & Koren, 1846 accepted as Checked: verified by a taxonomic editorAntedon petasus (Düben & Koren, 1846) (basis of record)
Checked: verified by a taxonomic editorAlecto phalangium Müller, 1841 accepted as Checked: verified by a taxonomic editorLeptometra phalangium (Müller, 1841) (basis of record)
Checked: verified by a taxonomic editorAlecto sarsii Düben & Koren, 1846 accepted as Checked: verified by a taxonomic editorHathrometra tenella (Retzius, 1783) (basis of record)
Checked: verified by a taxonomic editorAlectro Say, 1825 accepted as Checked: verified by a taxonomic editorAlecto Leach, 1815 (basis of record)
Checked: verified by a taxonomic editorAlectro dentata Say, 1825 accepted as Checked: verified by a taxonomic editorHathrometra tenella (Retzius, 1783) (basis of record)
Checked: verified by a taxonomic editorAndrometra AH Clark, 1917 (additional source)
Checked: verified by a taxonomic editorAndrometra indica (AH Clark, 1909) (basis of record)
Checked: verified by a taxonomic editorAndrometra psyche (AH Clark, 1908) (basis of record)
Checked: verified by a taxonomic editorAnisometra John, 1939 (additional source)
Checked: verified by a taxonomic editorAnisometra frigida John, 1939 (basis of record)
Checked: verified by a taxonomic editorAnnametra AH Clark, 1936 (additional source)
Checked: verified by a taxonomic editorAnnametra minuta AH Clark, 1907 (basis of record)
Checked: verified by a taxonomic editorAnnametra occidentalis (AH Clark, 1915) (basis of record)
Checked: verified by a taxonomic editorAntedon de Fréminville, 1811 (additional source)
Checked: verified by a taxonomic editorAntedon abyssicola Carpenter, 1888 accepted as Checked: verified by a taxonomic editorBathymetra abyssicola (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon abyssorum Carpenter, 1888 accepted as Checked: verified by a taxonomic editorThaumatometra abyssorum (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon adrestine AH Clark, 1907 accepted as Checked: verified by a taxonomic editorIridometra adrestine (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon adriani Bell, 1908 accepted as Checked: verified by a taxonomic editorAnthometrina adriani (Bell, 1908) (basis of record)
Checked: verified by a taxonomic editorAntedon adriatica AH Clark, 1911 accepted as Checked: verified by a taxonomic editorAntedon mediterranea (Lamarck, 1816) (basis of record)
Checked: verified by a taxonomic editorAntedon alternata Carpenter, 1888 accepted as Checked: verified by a taxonomic editorThaumatometra alternata (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon angustipinna Carpenter, 1888 accepted as Checked: verified by a taxonomic editorIsometra angustipinna (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon angustiradia Carpenter, 1888 accepted as Checked: verified by a taxonomic editorAdelometra angustiradia (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon antarctica Carpenter, 1881 accepted as Checked: verified by a taxonomic editorSolanometra antarctica (Carpenter, 1881) (basis of record)
Checked: verified by a taxonomic editorAntedon arcana Hartlaub, 1912 accepted as Checked: verified by a taxonomic editorCaryometra tenuipes (AH Clark, 1908) (basis of record)
Checked: verified by a taxonomic editorAntedon asperrima AH Clark, 1907 accepted as Checked: verified by a taxonomic editorFlorometra asperrima (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon balanoides Carpenter, 1888 accepted as Checked: verified by a taxonomic editorBalanometra balanoides (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon barentsi Carpenter, 1886 accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAntedon bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAntedon bifida bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAntedon bifida moroccana (AH Clark, 1914) (basis of record)
Checked: verified by a taxonomic editorAntedon bigradata Hartlaub, 1895 accepted as Checked: verified by a taxonomic editorPsathyrometra bigradata (Hartlaub, 1895) (basis of record)
Checked: verified by a taxonomic editorAntedon bowersi AH Clark, 1907 accepted as Checked: verified by a taxonomic editorNanometra bowersi (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon brachymera AH Clark, 1907 accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAntedon celtica Sladen (in Duncan & Sladen, 1877) accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAntedon celtica (M'Andrew & Barrett, 1857) accepted as Checked: verified by a taxonomic editorLeptometra celtica (M'Andrew & Barrett, 1857) (basis of record)
Checked: verified by a taxonomic editorAntedon challengeri AH Clark, 1907 accepted as Checked: verified by a taxonomic editorIsometra challengeri (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon clio AH Clark, 1907 accepted as Checked: verified by a taxonomic editorBoleometra clio (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon columnaris Carpenter, 1881 accepted as Checked: verified by a taxonomic editorZenometra columnaris (Carpenter, 1881) (additional source)
Checked: verified by a taxonomic editorAntedon cristata Hartlaub, 1912 accepted as Checked: verified by a taxonomic editorComatonia cristata (Hartlaub, 1912) (basis of record)
Checked: verified by a taxonomic editorAntedon cubensis Pourtalès, 1869 accepted as Checked: verified by a taxonomic editorTrichometra cubensis (Pourtalès, 1869) (basis of record)
Checked: verified by a taxonomic editorAntedon dentata (Say, 1825) accepted as Checked: verified by a taxonomic editorHathrometra tenella (Retzius, 1783) (basis of record)
Checked: verified by a taxonomic editorAntedon duebenii Böhlsche, 1866 (basis of record)
Checked: verified by a taxonomic editorAntedon erythrizon AH Clark, 1907 accepted as Checked: verified by a taxonomic editorPsathyrometra fragilis (AH Clark, 1907) (additional source)
Checked: verified by a taxonomic editorAntedon eschrichtii (Müller, 1841) accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAntedon eschrichtii magellanica Bell, 1882 accepted as Checked: verified by a taxonomic editorFlorometra magellanica (Bell, 1882) (basis of record)
Checked: verified by a taxonomic editorAntedon exigua Carpenter, 1888 accepted as Checked: verified by a taxonomic editorPhrixometra exigua (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon fragilis AH Clark, 1907 accepted as Checked: verified by a taxonomic editorPsathyrometra fragilis (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon gorgonia de Fréminville, 1811 accepted as Checked: verified by a taxonomic editorAntedon bifida bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAntedon hageni (Pourtalès, 1868) accepted as Checked: verified by a taxonomic editorCoccometra hagenii (Pourtalès, 1868) (basis of record)
Checked: verified by a taxonomic editorAntedon hagenii (Pourtalès, 1868) accepted as Checked: verified by a taxonomic editorCoccometra hagenii (Pourtalès, 1868) (basis of record)
Checked: verified by a taxonomic editorAntedon hirsuta Carpenter, 1888 accepted as Checked: verified by a taxonomic editorEumorphometra hirsuta (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon hondoensis AH Clark, 1907 accepted as Checked: verified by a taxonomic editorFlorometra mariae (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon hupferi Hartlaub, 1890 (basis of record)
Checked: verified by a taxonomic editorAntedon hystrix Carpenter, 1884 accepted as Checked: verified by a taxonomic editorPoliometra prolixa (Sladen, 1881) (basis of record)
Checked: verified by a taxonomic editorAntedon incommoda Bell, 1888 (basis of record)
Checked: verified by a taxonomic editorAntedon incommoda austini AM Clark (in AH Clark & AM Clark, 1967) (original description)
Checked: verified by a taxonomic editorAntedon incommoda incommmoda Bell, 1888 (basis of record)
Checked: verified by a taxonomic editorAntedon inexpectata AH Clark, 1907 accepted as Checked: verified by a taxonomic editorFlorometra asperrima (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon iris (AH Clark, 1912) (basis of record)
Checked: verified by a taxonomic editorAntedon isis AH Clark, 1907 accepted as Checked: verified by a taxonomic editorThaumatometra isis (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon laodice AH Clark, 1907 accepted as Checked: verified by a taxonomic editorFlorometra mariae (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon lineata (AH Clark, 1907) accepted as Checked: verified by a taxonomic editorIsometra challengeri (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon longicirra (AH Clark, 1912) non Carpenter, 1888 (basis of record)
Checked: verified by a taxonomic editorAntedon longipinna Carpenter, 1888 accepted as Checked: verified by a taxonomic editorPhrixometra longipinna (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon loveni Bell, 1882 (not Bell, 1884) (basis of record)
Checked: verified by a taxonomic editorAntedon magellanica (Bell, 1882) accepted as Checked: verified by a taxonomic editorFlorometra magellanica (Bell, 1882) (basis of record)
Checked: verified by a taxonomic editorAntedon mariae AH Clark, 1907 accepted as Checked: verified by a taxonomic editorFlorometra mariae (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon maroccana (AH Clark, 1914) accepted as Checked: verified by a taxonomic editorAntedon bifida moroccana (AH Clark, 1914) (basis of record)
Checked: verified by a taxonomic editorAntedon mediterranea (Lamarck, 1816) (basis of record)
Checked: verified by a taxonomic editorAntedon milleri (Müller, 1841) accepted as Checked: verified by a taxonomic editorAntedon bifida bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAntedon minckerti AH Clark, 1907 accepted as Checked: verified by a taxonomic editorNanometra bowersi (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon minor AH Clark, 1907 accepted as Checked: verified by a taxonomic editorNanometra bowersi (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon minuta AH Clark, 1907 accepted as Checked: verified by a taxonomic editorAnnametra minuta AH Clark, 1907 (basis of record)
Checked: verified by a taxonomic editorAntedon moluccana AH Clark, 1912 accepted as Checked: verified by a taxonomic editorEuantedon moluccana (AH Clark, 1912) (basis of record)
Checked: verified by a taxonomic editorAntedon moroccana AH Clark, 1914 accepted as Checked: verified by a taxonomic editorAntedon bifida moroccana (AH Clark, 1914) (basis of record)
Checked: verified by a taxonomic editorAntedon nana Hartlaub, 1890 accepted as Checked: verified by a taxonomic editorDorometra nana (Hartlaub, 1890) (basis of record)
Checked: verified by a taxonomic editorAntedon nuttingi (AH Clark, 1936) (basis of record)
Checked: verified by a taxonomic editorAntedon orientalis AH Clark, 1907 accepted as Checked: verified by a taxonomic editorNanometra bowersi (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon parvicirra Carpenter, 1888 accepted as Checked: verified by a taxonomic editorDorometra parvicirra (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon parviflora (AH Clark, 1912) (basis of record)
Checked: verified by a taxonomic editorAntedon parvula Hartlaub, 1895 accepted as Checked: verified by a taxonomic editorFariometra parvula (Hartlaub, 1895) (basis of record)
Checked: verified by a taxonomic editorAntedon phalangium (Müller, 1841) accepted as Checked: verified by a taxonomic editorLeptometra phalangium (Müller, 1841) (basis of record)
Checked: verified by a taxonomic editorAntedon prolixa Sladen, 1881 (in Duncan & Sladen, 1881) accepted as Checked: verified by a taxonomic editorPoliometra prolixa (Sladen, 1881) (basis of record)
Checked: verified by a taxonomic editorAntedon psyche AH Clark, 1908 accepted as Checked: verified by a taxonomic editorAndrometra psyche (AH Clark, 1908) (basis of record)
Checked: verified by a taxonomic editorAntedon pusilla Carpenter, 1888 accepted as Checked: verified by a taxonomic editorPerometra pusilla (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon quadrata Carpenter, 1884 accepted as Checked: verified by a taxonomic editorHeliometra glacialis (Owen, 1833 ex Leach MS) (basis of record)
Checked: verified by a taxonomic editorAntedon rathbuni AH Clark, 1907 accepted as Checked: verified by a taxonomic editorFlorometra asperrima (AH Clark, 1907) (basis of record)
Checked: verified by a taxonomic editorAntedon remota Carpenter, 1888 accepted as Checked: verified by a taxonomic editorTonrometra remota (Carpenter, 1888) (basis of record)
Checked: verified by a taxonomic editorAntedon rhomboidea Carpenter, 1888 accepted as Checked: verified by a taxonomic editorFlorometra magellanica (Bell, 1882) (basis of record)
Checked: verified by a taxonomic editorAntedon rhomboidea Hartlaub, 1895 (not Carpenter, 1888) accepted as Checked: verified by a taxonomic editorFlorometra tanneri (Hartlaub, 1895) (basis of record)
Checked: verified by a taxonomic editorAntedon rosaceus (Fleming, 1828) accepted as Checked: verified by a taxonomic editorAntedon bifida bifida (Pennant, 1777) (basis of record)
Checked: verified by a taxonomic editorAntedon sarsi (Düben & Koren, 1846) accepted as Checked: verified by a taxonomic editorHathrometra tenella (Retzius, 1783) (basis of record)
Checked: verified by a taxonomic editorAntedon sarsii (Düben & Koren, 1846) accepted as Checked: verified by a taxonomic editorHathrometra tenella (Retzius, 1783) (basis of record)
Holotype IMC, identified as Thaumatocrinus investigatoris AH Clark (in AH Clark & AM Clark, 1967)
Holotype NRS (Antarctic sta. 58), identified as Isometra vivipara Mortensen, 1917
Holotype BMNH (Challenger sta. 219), identified as Thysanometra tenuicirra (Carpenter, 1888)
Holotype BMNH (Challenger sta. 320), identified as Isometra angustipinna (Carpenter, 1888)
Holotype BMNH (Challenger sta. 320), identified as Isometra challengeri (AH Clark, 1907)
Syntype BMNH (Discovery Investigations sta. 170), identified as Isometra hordea John, 1938
Syntype BMNH (Discovery Investigations sta. 190,1652,1872), identified as Isometra graminea John, 1938
Holotype USNM 22607, identified as Thysanometra tenelloides (AH Clark, 1907)
Holotype USNM 22652, identified as Decametrocrinus borealis AH Clark, 1907
Holotype USNM 22674, identified as Coccometra nigrolineata AH Clark, 1918
Holotype USNM 22675, identified as Coccometra guttata AH Clark, 1918
Holotype USNM 22682, identified as Decametrocrinus rugosus AH Clark, 1908
Holotype BMNH BANZARE sta. 40, identified as Isometra johanni AM Clark (in Clark AH & Clark AM), 1967
Holotype UMZC MCZ 7, identified as Coccometra hagenii (Pourtalès, 1868)
Checked: verified by a taxonomic editor Diagnosis

Andrometra with centrodorsal conical, as high as broad at the base; cirri 50. Second and third pinnules with 15 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Andrometra with centrodorsal low hemispherical to almost columnar; cirri not more than 35. Second pinnule with ... [details]

Checked: verified by a taxonomic editor Diagnosis

Annametra with P1 and P2 with ~18 segments. Arms ~30 mm and cirri ~5 mm long. [details]

Checked: verified by a taxonomic editor Diagnosis

Annametra with P1 and P2 of up to 35 very short segments. Arms ~50 mm long in adult. Longest cirri up to 15 mm long. [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon bifida with P2 similar to and same length as P3 but with no gonad. P1 about twice as long as following two ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon bifida with distal cirrals strongly compressed laterally, up to twice as wide in lateral view as proximal ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon incommoda with a relatively smaller aboral pole (0.4-0.9 mm across) with center sometimes very slightly ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon incommoda with centrodorsal discoidal, with aboral pole quite flat although variable in width and with ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with cirri ~30, of 10-12 cirrals, short (about a fifth the arm length), rather stout, strongly recurved ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with not more than 35 cirri, of not over 17 (rarely more than 15) cirrals; distal cirrals strongly ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with centrodorsal hemispherical, more or less flattened, with fairly large convex polar area. Cirri 15-30, ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with 18-30 (usually 20-23) cirrals; all but first 2-3 are longer than wide and centrally constricted; distal ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with P2 stouter basally and two-thirds the length of P1, which has 18-20 segments. Cirri ~30, of up to 11 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with centrodorsal flattened hemispherical. Cirri ~30, in three crowded marginal rows, of 10-12 cirrals; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with P2 intermediate in length between P1 and P3, and resembling P1. Cirri usually 40, of at most 18 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with arms up to 70 mm long. Centrodorsal flattened hemispherical. Cirri in largest specimens about ... [details]

Checked: verified by a taxonomic editor Diagnosis

Antedon with arms to ~50 mm long. Cirri to 40, of 16-18 cirrals; length to ~25% arm length; longer proximal cirrals ... [details]

Checked: verified by a taxonomic editor Diagnosis

Argyrometra with first three pinnules successively longer; pinnulars with rather prominently everted and spinous ... [details]

Checked: verified by a taxonomic editor Diagnosis

Argyrometra with first three pinnules successively longer. Cirri of 12-17 cirrals. Holotype with arms ~30 mm long. [details]

Checked: verified by a taxonomic editor Diagnosis

Athrypsometra with low conical centrodorsal 1.7 mm across base and 1.0 mm tall. Radial areas each with 2 columns of ... [details]

Checked: verified by a taxonomic editor Diagnosis

Athrypsometra with centrodorsal sharply conical, ~1.8 times wider across base than tall; sockets in 2 (apical) to 4 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Athrypsometra with centrodorsal 1.9 mm across base and 1.6 mm tall, with 4-5 cirrus sockets in each radial area in ... [details]

Checked: verified by a taxonomic editor Diagnosis

Athrypsometra with centrodorsal almost as tall as basal diameter in large specimens but relatively lower in small ... [details]

Checked: verified by a taxonomic editor Diagnosis

Atopocrinus with cirrus sockets in 10 columns, two per radial area. [details]

Checked: verified by a taxonomic editor Diagnosis

Bathymetra with 10-15 cirri around aboral pole, directed aborally; none around centrodorsal base. Radials form ... [details]

Checked: verified by a taxonomic editor Diagnosis

Bathymetra with centrodorsal having flattened aboral pole with cirrus sockets alternating irregularly around the ... [details]

Checked: verified by a taxonomic editor Diagnosis

Caryometra with centrodorsal about 1.25 times taller than wide. Cirri in 15 crowded columns, slender, of moderate ... [details]

Checked: verified by a taxonomic editor Diagnosis

Caryometra with centrodorsal low conical, wider than tall. Cirri in 10 columns, long, very slender, scarcely curved ... [details]

Checked: verified by a taxonomic editor Diagnosis

Caryometra with centrodorsal about as tall as wide; aboral apex papillose. Cirri in 15 columns, long, very slender, ... [details]

Checked: verified by a taxonomic editor Diagnosis

Caryometra with centrodorsal rounded conical, about as tall as wide. Cirri in 10 columns, short, strongly curved ... [details]

Checked: verified by a taxonomic editor Diagnosis

Caryometra with centrodorsal slightly taller than wide. Cirri in 15 columns, long, slender, of 27-34 cirrals; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Caryometra with centrodorsal sharply conical, up to 1.5 times taller than wide at the base. Cirri in 15 columns ... [details]

Checked: verified by a taxonomic editor Diagnosis

Cyclometra with cirri ~40 when arms are 130 mm long, arranged in three columns of 2-3 cirri in each radius; longest ... [details]

Checked: verified by a taxonomic editor Diagnosis

Cyclometra with cirri ~80 when arms are just over 100 mm long, arranged in 3 columns of 4-5 each per radial area; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Dorometra with P2 (12 pinnulars) intermediate in size and number of pinnulars between P1 (8 pinnulars) and P3 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Dorometra with third to fifth cirrals longest, with L/W ratio ~3. P1 10 mm long with 13 segments; P2 3.5 mm long, ... [details]

Checked: verified by a taxonomic editor Diagnosis

Dorometra with P3 much less than twice as long as P1 and P2, which is slightly shorter than P1. Cirri 7-11 mm long, ... [details]

Checked: verified by a taxonomic editor Diagnosis

Dorometra with P2 intermediate in length between P1 and P3; first three pinnules with 8-9 segments. Cirri ... [details]

Checked: verified by a taxonomic editor Diagnosis

Dorometra with P2 slightly smaller than P1, which is about half as long as P3, which has 18-20 segments. Cirrals ... [details]

Checked: verified by a taxonomic editor Diagnosis

Dorometra with P1 and P2 similar, with usually 8-10 segments, only half as long as P3, which has 13-16 segments. ... [details]

Checked: verified by a taxonomic editor Diagnosis

Eometra with centrodorsal as tall as wide at the base, which is 2.5 mm. in the type specimen. Cirri ~20, of 26-31 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Eometra with centrodorsal basal diameter 1.33 times height. Cirri 22-27, ~18 mm long, probably of ~18 cirrals; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Euantedon with 40-50 cirri, 10-12 mm long, with up to 15 cirrals; longest cirrals with L/W ratio up to 6 (median ... [details]

Checked: verified by a taxonomic editor Diagnosis

Euantedon with 15-17 cirrals; longest cirrals with L/W ratio ~4 (median width); distal cirrals decreasing in length ... [details]

Checked: verified by a taxonomic editor Diagnosis

Euantedon with 25 cirri of 17-26 (usually about 20) cirrals; longest cirrals with L/W ratio ~2. Arms ~40 mm long in ... [details]

Checked: verified by a taxonomic editor Diagnosis

Euantedon with 30 cirri, 8-10 mm long, of 13-14 cirrals; longest cirrals with L/W ratio of ~2. P1 11-15 mm long, ... [details]

Checked: verified by a taxonomic editor Diagnosis

Euantedon with 15-17 cirrals; longest cirrals with L/W ratio 2.0-2.5; distal cirrals only very slightly shorter; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Euantedon with ~40 cirri with up to 25 cirrals; longest with L/W ratio 2.5-3. Arms ~100 mm long. [details]

Checked: verified by a taxonomic editor Diagnosis

Eumorphometra with ~40 cirri of up to 28 cirrals when arms are ~30 mm long. Brachitaxes with distinctly spinous ... [details]

Checked: verified by a taxonomic editor Diagnosis

Eumorphometra with ~30 cirri of up to 25 cirrals, 7 mm long when arms are ~30 mm long. Brachitaxis margins spinous; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Eumorphometra having cirri ~45, of 34-40 cirrals, up to 12 mm long in 15 columns, when arms are 35-40 mm long. [details]

Checked: verified by a taxonomic editor Diagnosis

Eumorphometra with ~40 cirri (in distinct columns interradially), of 25-30 cirrals, when arms are ~35 mm long. ... [details]

Checked: verified by a taxonomic editor Diagnosis

Eumorphometra with ~40 cirri irregularly arranged, of 23-28 cirrals, when arm length is 25 mm. First primibrachial ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra similar to F. alcyon but with centrodorsal an equilateral triangle in lateral view, and longest cirrals ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with second brachials shield-shaped and much longer than broad. Pinnules and cirri unknown. [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with centrodorsal large, conical, twice as broad at the base as tall. Cirri ~55, with ~26 cirrals; ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with centrodorsal conical, 2.6 mm across base and 2.2 mm tall (holotype). Cirri 45-100, with up to 21 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with primibrachial ossicles and first two brachials in close lateral contact throughout and sharply and ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with arms 30 mm long. Cirri ~40, of 20-22 cirrals; longest cirrals with L/W ratio ~3 (median width) with ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with cirri of 19-21 cirrals; longest with L/W ratio 2-3 (median width). Primibrachial ossicles and first ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with lateral margins of first primibrachial converging; lateral angles of axils extending beyond angles ... [details]

Checked: verified by a taxonomic editor Diagnosis

Fariometra with centrodorsal conical, almost as high as wide at the base. Cirri ~60, of 21-36 cirrals; longest ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra similar to F. serratissima but with third syzygy at brachials 14+15 (occasionally 12+13 to 16+17). [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with basal segments of oral pinnules markedly broadened but not carinate. P1 usually of ~60 segments ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with centrodorsal conical; bare aboral pole very small. Cirri ~100, of up to 38 cirrals; no aboral ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with basal pinnulars enlarged and carinate. P1 and P2 similar in length and number of segments, their ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with brachials following the third syzygy about as long as broad instead of markedly broader than long. ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with 40-77 cirri, of up to 34 cirrals; longest cirrals with L/W ratio up to 3; distal cirrals usually ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with third syzygy usually between brachials 16+17 (sometimes 15+16). Basal pinnulars of oral pinnules ... [details]

Checked: verified by a taxonomic editor Diagnosis

Florometra with oral pinnules slender, lacking carinate processes on basal pinnulars of proximal pinnules. Middle ... [details]

Checked: verified by a taxonomic editor Diagnosis

Iridometra with first three exterior (and usually first two interior) pinnules similar, elongate, longer than their ... [details]

Checked: verified by a taxonomic editor Diagnosis

Leptometra differing from L. phlangium in having cirri proportionately shorter and not tapered distally, so that ... [details]

Checked: verified by a taxonomic editor Diagnosis

Leptometra with centrodorsal sharply to bluntly, rounded, or truncated conical, or even somewhat columnar, usually ... [details]

Checked: verified by a taxonomic editor Diagnosis

Mastigometra with 50-80 cirri 12-14 mm long, of ~15 cirrals; distal cirrals with L/W ratio 1.3-1.5. P1 25 mm long ... [details]

Checked: verified by a taxonomic editor Diagnosis

Mastigometra with 50-90 cirri ~10 mm long, of ~16 cirrals; sixth and following cirrals with L/W ratio ~1. P1 15 mm ... [details]

Checked: verified by a taxonomic editor Diagnosis

Mastigometra with ~35 cirri 12-14 mm long, of 12-16 cirrals; distal cirrals with L/W ratio 1.3-1.5. P1 15 mm long ... [details]

Checked: verified by a taxonomic editor Diagnosis

Nanometra with centrodorsal conical with small aboral pole; cirri XXX-L, 30-45 (usually 35-40) segments, when arms ... [details]

Checked: verified by a taxonomic editor Diagnosis

Nanometra with centrodorsal broadly truncated with wide, more or less flat, aboral pole; cirri ~LXX when arms are ... [details]

Checked: verified by a taxonomic editor Diagnosis

P. longipinna with cirri ~30, of 20-25 cirrals. Proximal pinnules all long;, P1 reaching to about brachial 12, with ... [details]

Checked: verified by a taxonomic editor Diagnosis

Perometra closely resembling P. diomedeae but with all pinnules present, 13-15+ arms 50-60 mm long, less strongly ... [details]

Checked: verified by a taxonomic editor Diagnosis

Perometra with 10 arms only, to 90 mm long; Pa usually absent; synarthrial tubercles extravagantly developed; 35-55 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Perometra with 10 arms (in the unique holotype) ~30 mm long; cirri XVII, up to 6 mm long with 28 segments (about a ... [details]

Checked: verified by a taxonomic editor Diagnosis

Perometra with cirri to 20 mm long when arm length is 60 mm, rather stout basally, with 39-47 segments; longer ... [details]

Checked: verified by a taxonomic editor Diagnosis

Phrixometra with cirri of up to 20 cirrals, wider distally; longest cirrals in peripheral cirri with L/W ratio ~3. ... [details]

Checked: verified by a taxonomic editor Diagnosis

Phrixometra with cirri ~45, with <20 cirrals. P1 of ~14 segments; P2 usually first genital pinnule, similar in length and number ... [details]

Checked: verified by a taxonomic editor Diagnosis

Phrixometra with cirri ~30, of 14-17 cirrals. P1 with 11-12 segments, 3 mm long; P2 with 13 to 14 segments, 4 mm ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with 15-18 subequal, much elongated cirrals; antepenultimate cirral with L/W ratio ~3 (proximal ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with cirri ~30, 7-8 mm long, of 12-16+ cirrals; longest cirrals with L/W ratio ~4 (median width); ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with centrodorsal flattened, almost discoidal; cirri 40-45, of 13-17 segments; longest with L/W ratio ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with cirri 30-40, of ~20 cirrals; longest with L/W ratio slightly 2; distal cirrals only slightly ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with cirri 4 mm long, of only 12-15 cirrals, all of which are much elongated; antepenultimate L/W ratio ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with cirri 30-40, of 9-15 cirrals; longest cirrals with L/W ratio 3-4 (median width) with arms ~30 mm ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with centrodorsal flattened, almost discoidal; cirri 55-60, none retained. P1 of ~13 segments. Arms ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with cirri ~30, of ~10 cirrals, ~6 mm long (when arms are 15 mm long); longest cirral with L/W ratio ... [details]

Checked: verified by a taxonomic editor Diagnosis

Thaumatometra with cirri 40-60, the longest of 13-16 segments, to ~9 mm long; longest cirrals with L/W ratio 3-6 ... [details]

Checked: verified by a taxonomic editor Diagnosis

Tonrometra with cirri ~30, of 18-20 cirrals; the longer segments not longer than their maximum diameter. P1 with ... [details]

Checked: verified by a taxonomic editor Diagnosis

Tonrometra with cirri 40-50, of 25-33 cirrals; longest cirrals with L/W ratio 1.5. P1 with 13-16 segments, and ... [details]

Checked: verified by a taxonomic editor Diagnosis

Tonrometra with cirri 30-40, of 19-29 cirrals; longer cirrals with L/W ratio ~2. P1 of ~20 segments, with distal ... [details]

Checked: verified by a taxonomic editor Diagnosis

Tonrometra with cirri of up to 37 cirrals; longest cirrals with L/W ratio 2.5; elongated distal segments of oral ... [details]

Checked: verified by a taxonomic editor Diagnosis

Toxometra with cirri of 15-17 cirrals; fifth and sixth cirrals with L/W ratio 2. Fourth pinnule almost as large as ... [details]