Pachyceratidae
id:
pachyceratidae-248-12423893
title:
Pachyceratidae
text:
Pachyceratidae is a family of Perisphinctoidean ammonites from the upper Middle - and lower Upper Jurassic. Genera within the Pachyceratidae have shells that are in general moderately involte but with most of the inner whorls exposed; whorl sections subquadrate to subtrapezoidal, with rounded venter. Ribbing is strong, in some sharp. Primary ribs typically branch above mid flanks into twos, threes, and even fours. The Pachyceratidae, according to Donovan et al. (1981), were derived from the Peri
brand slug:
wiki
category slug:
encyclopedia
description:
Extinct family of ammonites
original url:
https://en.wikipedia.org/wiki/Pachyceratidae
date created:
date modified:
2021-04-29T01:02:55Z
main entity:
{"identifier":"Q7122097","url":"https://www.wikidata.org/entity/Q7122097"}
image:
fields total:
13
integrity:
14