Definition of Actinocerids. Meaning of Actinocerids. Synonyms of Actinocerids

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

Definition of Actinocerids

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Meaning of Actinocerids from wikipedia

- hypothetical. Polydesmia was once thought to be the ancestral form of the actinocerids, and was derived from the ellesmeroceriid Bathmoceras. However, it turned...
- million years ago during the Carboniferous. Although they resemble earlier actinocerids they are now thought to belong to the Pseudorthocerida Rayonnoceras is...
- nautiloid cephalopods, is prevalent among the ellesmerocerids, endocerids, actinocerids, orthoceratoids, and bactritids. Orthocones existed from the Late Cambrian...
- Calhounoceras is a genus of actinocerids (Cephalopoda, Nautiloidea) from the Lower Mississippian named by Troedsson, 1926. Calhounoceras, Fossilworks PaleoDB...
- ray Gr**** ἀκτίς, ἀκτῖνος (aktís, aktînos) actinic, actinism, actinium, actinocerid, actinodrome, actinoid, actinomere, actinometer, actinomorphic, actinomyces...
- early actinocerids defined by Shimazu and Obata in 1938 for actinocerids with thick connecting rings and a complex irregular canal system. Actinocerids are...
- problems with the actinocerid hypothesis. Carbactinocerids such as Carbactinoceras appear much later than the last definite actinocerids, leaving a large...
- endosiphuncular deposits penetrated by a canal system similar to that found in actinocerids but differs in the having a protoconch characteristic of the pseudorthocerids...
- nautiloid cephalopods of the Wutinoceratidae family. It exhibits orthoconic actinocerids with ventral siphuncles composed of broadly expanded segments. Wutinoceras...
- New Mexico with features resembling those found in actinocerids. Pseudorthocerids and actinocerids (respectively Pseuorthocerida and Actinocerida) are...