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Palaeoniscoid (Actinopterygii, Pisces) vertebrae from the Late Paleozoic of central North America

Published online by Cambridge University Press:  19 May 2016

Hans-Peter Schultze
Affiliation:
Museum of Natural History, Department of Systematics and Ecology, The University of Kansas, Lawrence 66045
John Chorn
Affiliation:
Museum of Natural History, Department of Systematics and Ecology, The University of Kansas, Lawrence 66045

Abstract

Actinopterygian vertebral centra are more common in the Pennsylvanian and Early Permian of central North America than was previously known. The oldest record dates from the Early Carboniferous of England. Stratigraphic occurrence, co-occurring vertebrate fauna, histology, and external morphology contradict a previous interpretation as centra of “holosteans.” The centra are assigned here to Palaeoniscoidea indet. Besides centra in haplolepids, these are the only known actinopterygian centra from the Paleozoic. The so-called caudal centra in Pygopterus are the bases of hypurals.

Type
Research Article
Copyright
Copyright © The Paleontological Society 

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