Definition of Pseudorthocerids. Meaning of Pseudorthocerids. Synonyms of Pseudorthocerids

Here you will find one or more explanations in English for the word Pseudorthocerids. Also in the bottom left of the page several parts of wikipedia pages related to the word Pseudorthocerids and, of course, Pseudorthocerids synonyms and on the right images related to the word Pseudorthocerids.

Definition of Pseudorthocerids

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Meaning of Pseudorthocerids from wikipedia

- Flower (1976) distinguished Middle Ordovician pseudorthocerids from Silurian and later pseudorthocerids on the basis of how the siphuncle changes during...
- grounds that it arose from a different baltoceratid ancestor. The pseudorthocerids are thought to be distinct because their protoconch and septal necks...
- taxa and a few groups survived into the early Mesozoic, including pseudorthocerids, bactritids, nautilids and possibly orthocerids. The last straight-s****ed...
- Spyroceras is a genus of pseudorthocerids from the Devonian of North America and Europe, defined by Alpheus Hyatt in 1884. Pseudorthocerids are a kind of orthocertaoid...
- off as separate order. OrderOrthocerida Includes orthocerids and pseudorthocerids OrderAscocerida OrderOncocerida OrderDiscosorida Order † Tarphycerida...
- actinocerids but differs in the having a protoconch characteristic of the pseudorthocerids. During grow of the animal the s**** expands dorsally with the distance...
- carbactinoceratids share key characters from the early development of pseudorthocerids missing from actinocerids. Among these is a bullet-shaped apex that...
- Southern New Mexico with features resembling those found in actinocerids. Pseudorthocerids and actinocerids (respectively Pseuorthocerida and Actinocerida) are...
- Tripteroceroides is a pseudorthocerid from the Lower Carboniferous (Mississippian) belonging to the family Spyroceratidae . Pseudorthocerids are nautiloid cephalopods...
- in the classification of major taxa. For instance, ascocerids and pseudorthocerids have a cicatrix and so do not belong among the neocephalopods. Conversely...