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...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
PeerJ Inc.
2016-05-01
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Series: | PeerJ |
Subjects: | |
Online Access: | https://peerj.com/articles/2036.pdf |