Oligopygoida

id: oligopygoida-201-12000440
title: Oligopygoida
text: Oligopygoida is an extinct order of irregular echinoids. The group is closely related to the Clypeasteroida, and may be representative of its ancestral clypeasteroid. The order was once grouped together with the cassiduloids. However unlike them, oligopygoids have a well-developed lantern uncommon amongst urchins and holectypoids, but similar to that of clypeasteroids. Phylogenetic analysis has shown the clypeasteroids to be a sister group to oligopygoids. However they are differentiated by the
brand slug: wiki
category slug: encyclopedia
description: Extinct order of sea urchins
original url: https://en.wikipedia.org/wiki/Oligopygoida
date created:
date modified: 2021-06-05T21:38:53Z
main entity: {"identifier":"Q7086849","url":"https://www.wikidata.org/entity/Q7086849"}
image:
fields total: 13
integrity: 14

Related Entries

Explore Next Part