Tristychius
id:
tristychius-302-12826258
title:
Tristychius
text:
Tristychius is an extinct genus of euselachian chondrichthyan from the Carboniferous period (Visean). Fossils of T. arcuatus, the type and only species, including fin spines have been found in Scotland. Tristychius was a small animal, up to about 60 centimetres (2 ft) long. It had a heterocercal caudal fin, and large spines on two dorsal fins. Unlike other chondrichthyans that have three basal plates on pectoral fin, its pectoral fin had only two basal plates and lacked mesopterygium. Even throu
brand slug:
wiki
category slug:
encyclopedia
description:
Extinct genus of sharks
original url:
https://en.wikipedia.org/wiki/Tristychius
date created:
date modified:
2024-03-01T00:44:59Z
main entity:
{"identifier":"Q7844230","url":"https://www.wikidata.org/entity/Q7844230"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/ad/TristychiusCameronSpahn.jpg","width":2229,"height":960}
fields total:
13
integrity:
15