Proplacenticeras
id:
proplacenticeras-266-3453486
title:
Proplacenticeras
text:
Proplacenticeras is a discoidal ammonite from the lower part of the Upper Cretaceous and precursor of the overall similar Placenticeras. The shell is compressed, with flat or slightly convex sides and narrow flat venter, with or without slightly conical umbilical tubercles, ventrolateral clavi and crescentic ribs on outer part of sides. Sutures are with fewer auxiliary elements than on latter Placenticeras. Species in sequential order, starting with the oldest, include P. sutherlandbrowni, P. st
brand slug:
wiki
category slug:
encyclopedia
description:
Genus of molluscs (fossil)
original url:
https://en.wikipedia.org/wiki/Proplacenticeras
date created:
date modified:
2023-07-18T19:32:19Z
main entity:
{"identifier":"Q18345024","url":"https://www.wikidata.org/entity/Q18345024"}
image:
fields total:
13
integrity:
14