Definition of Oncocerida. Meaning of Oncocerida. Synonyms of Oncocerida

- The Oncocerida comprise a diverse group of generally small nautiloid cephalopods known from the Middle Ordovician to the Mississippian (early Carboniferous;...
- somewhat variable between authors, but it usually includes Tarphycerida, Oncocerida, and Nautilida. All nautiloids have a large external s****, divided into...
- resulting in large, long camarae. In others such as the Ellesmerocerida, Oncocerida and Discosorida the septa are crowded closely together. In some straight-s****ed...
- Oncoceratidae is a family of nauatiloid cephalopods in the order Oncocerida established by Hyatt, 1884, that range from the Middle Ordovician to the Upper...
- Pseudorthocerida (432 to 272 Ma) Order † Tarphycerida (485 to 386 Ma) Order † Oncocerida (478.5 to 324 Ma) Order Nautilida (extant; 410.5 Ma to present) Order...
- 2013, Multiceratoidea included four nautiloid orders: Ellesmerocerida, Oncocerida, Discosorida, and Ascocerida. The order Tarphycerida was considered a...
- early schemes. Both Shimansky and Kummel derive the Nautilida from the Oncocerida with either the Acleistoceratidae or Brevicoceratidae (Teichert 1988)...
- Zittelloceras is an extinct genus of nautiloids from the order Oncocerida which are among a large group of once diverse and numerous s****ed cephalopods...
- nautiloid cephalopods from the Middle and Upper Ordovician belonging to the Oncocerida, characterized by exogastric cyrtocones that expand slightly or moderately...
- Valhalloceras floweri Evans and King 1990. Valhalloceras is ****igned to the Oncocerida, it and the related genus Phthanoncoceras are united in the family Phthanoncoceratidae...