The shell morphology of the latest Cretaceous (Maastrichtian) trionychid turtle Helopanoplia distincta
Background Helopanoplia distincta is an extinct soft-shelled turtle (Pan-Trionychidae) for which the type specimen is a fragmentary costal and the inguinal notch portion of the left hypoplastron from the Late Cretaceous (Maastrichtian) Lance Formation of Wyoming, USA that bear a distinct surface scu...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
PeerJ Inc.
2017-12-01
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Series: | PeerJ |
Subjects: | |
Online Access: | https://peerj.com/articles/4169.pdf |