Somasteroidea
id:
somasteroidea-301-1061205
title:
Somasteroidea
text:
The Somasteroidea, or Stomasteroidea, is an extinct order of asterozoan echinoderms first defined in 1951 by W. K. Spencer. Their first appearance in the fossil record was in the Early Ordovician (Tremadocian) and they had become extinct by the Late Devonian (Famennian). They are similar to the asteroids in that their bodies are flattened dorsoventrally and they have five petaloid arms with broad bases. The ambulacral plates in somasteroids are simple and unspecialized, and the arms were thought
brand slug:
wiki
category slug:
encyclopedia
description:
Extinct order of asterozoan echinoderms
original url:
https://en.wikipedia.org/wiki/Somasteroidea
date created:
date modified:
2023-11-27T00:42:10Z
main entity:
{"identifier":"Q4521052","url":"https://www.wikidata.org/entity/Q4521052"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/b7/Villebrunaster_fezouataensis.png","width":289,"height":279}
fields total:
13
integrity:
15