Definition of Eutrephoceras. Meaning of Eutrephoceras. Synonyms of Eutrephoceras

- Eutrephoceras can be found in Late Jur****ic to Miocene formations confirmed in many places in the earth, and many species are valid. Eutrephoceras is...
- Middle Jur****ic and is followed by the Upper Jur****ic-Miocene Eutrephoceras. Eutrephoceras is generally subglobular, broadly rounded laterally and ventrally...
- are derived from the Cenoceras complex in the Middle Jur****ic or from Eutrephoceras which immediately followed. The Cenozoic Aturia seems sufficiently derived...
- Cimomia, which intergrades with Eutrephoceras, is the earliest and makes its first appearance in the Upper Jur****ic. Eutrephoceras is ****igned to the Nautilidae...
- sharp beak was used only in combat against other Archelon. The nautilus Eutrephoceras dekayi was found in great number near an Archelon specimen, and may...
-  cook**** Binomial name Nautilus cook**** Whitfield, 1892 Synonyms Nautilus cookanum Whitfield, 1892 (Missp.) Eutrephoceras cookanum (Whitfield, 1892)...
- Britain often yield specimens of Cenoceras, and nautiloids such as Eutrephoceras are also found in the Pierre Shale formation of the Cretaceous period...
- furrus Has not been classified into any specific cephalopod group yet. Eutrephoceras E. carolinensis First originated during the Cretaceous period. E. dorbignyanum...
- †Enchodus †Enchodus gladiolus †Epitonium †Epitonium sillimani †Euspira †Eutrephoceras †Exogyra †Exogyra cancellata †Exogyra costata †Exogyra ponderosa Fasciolaria...
- monmouthensis †Eulima spirala †Euspira †Euspira rectilabrum †Eutrephoceras †Eutrephoceras dekayi †Eutrephoceras perlatus †Exechocirsus †Exechocirsus cowickeensis...