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213:
J. J. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of
American Paleontology 363:1-560
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178:") or gently curved. In life, these animals may have been similar to the modern
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166:It was assigned to Orthocerida by Sepkoski (2002).
174:The shell is usually long, and may be straight ("
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191:
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317:Prehistoric animals of Europe
182:, except for the long shell.
148:, existing for approximately
136:that lived in what would be
333:
39:Scientific classification
37:
23:
199:PaleoBiology Database:
274:Paleobiology Database
312:Silurian extinctions
307:Silurian cephalopods
230:Paleontology portal
129:of actively mobile
302:Cephalopod genera
289:
288:
242:Taxon identifiers
144:from 422.9—418.7
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16:Genus of molluscs
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250:Cryptocycloceras
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201:Cryptocycloceras
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164:Cryptocycloceras
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122:Cryptocycloceras
111:Cryptocycloceras
29:Temporal range:
25:Cryptocycloceras
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86:Orthoceratoidea
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125:is an extinct
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153:million years
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203:, basic info
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140:during the
131:carnivorous
98:Orthocerida
74:Cephalopoda
296:Categories
186:References
176:orthoconic
170:Morphology
134:cephalopod
81:Subclass:
45:Kingdom:
265:Q5190909
259:Wikidata
159:Taxonomy
142:Silurian
62:Mollusca
57:Phylum:
50:Animalia
31:Silurian
105:Genus:
93:Order:
69:Class:
138:Europe
279:12482
180:squid
127:genus
151:4.2
146:mya
298::
276::
261::
155:.
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