Traits Taxon list
Aeverrillia armata (Verrill, 1873)
Aeverrillia pilosa (Harmer, 1915)
Aeverrillia setigera (Hincks, 1887)
Arachnidium brandesi Voigt, 1968 †
Arachnidium clavatum Hincks, 1877
Arachnidium fibrosum Hincks, 1880
Arachnidium hippothooides Hincks, 1859
Arachnidium irregulare Harmer, 1915
Arachnidium lacourti d'Hondt & Faasse, 2006
Arachnidium longicauda Voigt, 1980 †
Arachnidium simplex Hincks, 1880
Arachnidium smithii (Phillips, 1829) †
Arachnoidea raylankesteri Moore, 1903
Arachnoidella abusensis Taylor, 1990 †
Arachnoidella annosciae (d'Hondt & Geraci, 1976)
Arachnoidella barentsia Kluge, 1962
Arachnoidella brevicaudata (d'Hondt & Mawatari, 1987)
Arachnoidella dhondti (Franzén & Sandberg, 2001)
Arachnoidella dubia (d'Hondt, 1976)
Arachnoidella echinophilia Gordon, 1986
Arachnoidella evelinae (Marcus, 1937)
Arachnoidella ophidiomorpha (d'Hondt & Mawatari, 1987)
Arachnoidella prenanti (d'Hondt, 1976)
Arachnoidella protecta Harmer, 1915
Arachnoidella thalassae (d'Hondt, 1979)
Bantariella bocki (Silén, 1942)
Bantariella cookae (Banta, 1968)
Bantariella firmata (Marcus, 1938)
Bantariella tenuis (Harmer, 1915)
Bantariella verticillata (Heller, 1867)
Cardoarachnidium bantai Taylor, 1990 †
Cardoarachnidium voigti Taylor, 1990 †
Condranema capillare (Ulrich & Bassler, 1904) †
Condranema carbonarium (Condra & Elias, 1944) †
Condranema magna (Condra & Elias, 1944) †
Condranema parvula (Condra & Elias, 1944) †
Cookobryozoon cretacea Taylor & Gordon, 2007 †
Cookobryozoon lagaaiji Pohowsky, 1978 †
Cryptoarachnidium argilla (Banta, 1967)
Echinella placoides Korotnev, 1901
Farrella repens (Farre, 1837)
Harmeriella cretacea Voigt, 1957 †
Harmeriella terebrans Borg, 1940
Hislopia cambodgiensis (Jullien, 1880)
Hislopia corderoi Mañé-Garzón, 1960
Hislopia lacustris Carter, 1858
Hislopia lacustris moniliformis Annandale, 1911
Hislopia malayensis Annandale, 1916
Hislopia placoides (Korotnev, 1901)
Hislopia prolixa Hirose & Mawatari, 2011
Hislopia sinensis (Jullien, 1880)
Hypophorella expansa Ehlers, 1876
Jebramella angusta Vieira, Migotto & Winston, 2014
Mimosella bigeminata Waters, 1914
Mimosella crosslandi d'Hondt, 1983
Mimosella gracilis Hincks, 1851
Mimosella radicata Kubanin, 1992
Monastesia pertenuis Jullien, 1888
Orbignyopora archiaci (Fischer, 1866) †
Orbignyopora capillaris (Dollfuss, 1877) †
Orbignyopora cornbrashica Pohowsky, 1978 †
Orbignyopora devonica (Richards, 1974) †
Orbignyopora echinicola (Voigt & Soule, 1973) †
Orbignyopora lambtonensis (Fritz, 1954) †
Orbignyopora opulenta Viskova & Pakhnevich, 2010 †
Orbignyopora tridelta Pohowsky, 1978 †
Parachnoidea rowdeni Gordon, 2012
Parachnoidea rylandi d'Hondt, 1979
Paravinella sekei Mayoral, 1987 †
Penetrantia bellardiellae Schwaha, 2019
Penetrantia brevis Silén, 1946
Penetrantia clionoides Smyth, 1988
Penetrantia concharum Silén, 1946
Penetrantia densa Silén, 1946
Penetrantia goasaviensis Voigt & Soule, 1973 † accepted as Penetrantia gosaviensis Voigt & Soule, 1973 †
Penetrantia gosaviensis Voigt & Soule, 1973 †
Penetrantia irregularis Silén, 1956
Penetrantia operculata Soule & Soule, 1969
Penetrantia parva Silén, 1946
Penetrantia sileni Soule, 1950
Penetrantia soulei Pohowsky, 1978 †
Penetrantia taeanata Seo, Chae, Winston, Zágoršek & Gordon, 2018
Pierrella larsoni Wilson & Taylor, 2012 †
Pierrella plicata Grischenko, Gordon & Melnik, 2018
Ropalonaria arachne (Fischer, 1866) †
Ropalonaria attenuata (Ulrich & Bassler, 1904) †
Ropalonaria bassleri (Voigt & Soule, 1973) †
Ropalonaria bugei Pohowsky, 1978 †
Ropalonaria dendriformis Condra & Elias, 1944 †
Ropalonaria givetiana Kiepura, 1965 †
Ropalonaria irregularis Fritz, 1944 †
Ropalonaria permiana Bassler, 1929 †
Ropalonaria tenerrima Bassler, 1923 †
Ropalonaria venosa Ulrich, 1879 †
Spathipora ambidextra Pohowsky, 1978 †
Spathipora brevicauda Pohowsky, 1978 †
Spathipora cheethami Pohowsky, 1978 †
Spathipora comma (Soule, 1950)
Spathipora cucullata Canu & Bassler, 1923 †
Spathipora ditrupae (Norman, 1907)