Ptychopariida
id:
ptychopariida-254-831653
title:
Ptychopariida
text:
Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second half of the Lower Cambrian, and the last species did not survive the Ordovician–Silurian extinction event. Trilobites have facial sutures that run along the margin of the glabella and/or fixigena to the shoulder point where the cephalon meets the thorax. These sutures outline the cranidium, or the main, central part of the head that does not
brand slug:
wiki
category slug:
encyclopedia
description:
Extinct order of trilobites
original url:
https://en.wikipedia.org/wiki/Ptychopariida
date created:
date modified:
2023-12-28T06:15:01Z
main entity:
{"identifier":"Q987705","url":"https://www.wikidata.org/entity/Q987705"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/4/4d/ElrathiaKingi.jpg","width":630,"height":760}
fields total:
13
integrity:
15