Definition of Orthocerids. Meaning of Orthocerids. Synonyms of Orthocerids

- their protoconch and septal necks significantly different than orthocerids. Orthocerids flourished in the Paleozoic Era, giving rise to multiple orders...
- numerous orthocerids stretching through the Paleozoic, but it excludes colloids, despite colloids having a well-established ancestry among the orthocerids. Interpretations...
- family) that in some more recent taxonomies has been classified with the orthocerids and listed under the order Lituitida. Fossils have been found in New...
- Rhabdites is an extinct genus of orthocerids, a kind of straight-s****ed nautiloid cephalopod. Rhabdites -Paleobio database. Sepkoski, J.J. Jr. 2002....
- famous finds are trilobites and the nautiloid cephalopod including the orthocerid order of extinct Silurian-Devonian orthoceratoid cephalopods. Nautiloid...
- rock-forming, as do certain other extinct, straight-s****ed cephalopods (e.g., orthocerid nautiloids). Studies on exceptionally preserved specimens have revealed...
- subsequently split off as separate order. Order † Orthocerida Includes orthocerids and pseudorthocerids Order † Ascocerida Order † Oncocerida Order † Discosorida...
- Siberioceras is an extinct genus of orthocerids of uncertain affinity defined by Zhuravleva (1957). Orthocerids are prehistoric s****ed cephalopods included...
- Loxoceras is a genus of orthocerids of uncertain affinity, the s**** of which is a smooth orthocone with the siphuncle between the center and probably...
- Joldagiroceras is a genus of orthocerids that lived during the Late Silurian, Ludlovian stage. Othoderids are nautiloid cephalopods characterized generally...