Archipterygium theory
id:
archipterygium-theory-258-707634
title:
Archipterygium theory
text:
Archipterygium is the concept of a primitive limb from which the limbs of tetrapod animals evolved. The idea was proposed by Carl Gegenbaur in 1878, sometimes termed the gill septum hypothesis and it consisted of a series of rays, one ray large with the remaining small ones attached to the sides of the large one. Gegenbaur based this idea on the fin of Ceratodus and its similarity to the gill-region in Elasmobranchs. He suggested that the pentadactyl limb of modern tetrapods was derived from one
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Archipterygium_theory
date created:
date modified:
2023-12-23T06:49:49Z
main entity:
{"identifier":"Q28455247","url":"https://www.wikidata.org/entity/Q28455247"}
image:
fields total:
13
integrity:
13