''Aipoceras'' is a genus of loosely coiled aipoceratid

nautiloid Nautiloids are a group of cephalopods (Mollusca) which originated in the Late Cambrian and are represented today by the living ''Nautilus'' and ''Allonautilus''. Fossil nautiloids are diverse and species rich, with over 2,500 recorded species. Th ...

s with laterally compressed whorls; shells expanding moderately to fairly rapidly with a tendency to uncoil at maturity. Juvenile forms are somewhat cyrtoconic. The apical end forms a hook. ''Aipoceras'' has been found in Lower Mississippian strata in the U.S.

References

* Bernard Kummel, 1964. Nautiloidea - Nautilida;

Treatise on Invertebrate Paleontology The ''Treatise on Invertebrate Paleontology,'' published from 1953–2007 by the Geological Society of America and the University of Kansas, then 2009–present by the University of Kansas Paleontological Institute, is a definitive multi-authore ...

. Geological Society of America.
''Aipoceras''
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Fossilworks
Prehistoric nautiloid genera Fossil taxa described in 1884 {{paleo-nautiloidea-stub