Rayonnoceras
id:
rayonnoceras-266-1917788
title:
Rayonnoceras
text:
Rayonnoceras is a genus of extinct cephalopods that lived around 325 million years ago during the Carboniferous. Although they resemble earlier actinocerids they are now thought to belong to the Pseudorthocerida Rayonnoceras is characterized by large straight shells with a large subcentral siphuncle composed of subglobular segments, as for the family. The endosiphuncular canal system is well developed and most chambers are filled with organic deposits. Some shells have transverse striae, others
brand slug:
wiki
category slug:
encyclopedia
description:
Extinct genus of nautiloids
original url:
https://en.wikipedia.org/wiki/Rayonnoceras
date created:
date modified:
2024-03-15T15:53:53Z
main entity:
{"identifier":"Q3866731","url":"https://www.wikidata.org/entity/Q3866731"}
image:
fields total:
13
integrity:
14