The ontogenetic transformation of the mesosaurid tarsus: a contribution to the origin of the primitive amniotic astragalus

The hypotheses about the origin of the primitive amniotic tarsus are very speculative. Early studies argued that the origin of the astragalus, one of the largest proximal bones in the tarsus of basal amniotes, was produced by either the fusion of two, three, or even four of the original tarsal bones...

Full description

Bibliographic Details
Main Authors: Graciela Piñeiro, Pablo Núñez Demarco, Melitta D. Meneghel
Format: Article
Language:English
Published: PeerJ Inc. 2016-05-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/2036.pdf