The first occurrence of the aetosaurParatypothorax andressi (Reptilia, Aetosauria) in the western United States and its biochronological significance

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1992 English Publisher:Springer Science and Business Media LLCJournal:Paläontologische Zeitschrift, volume 66, pages 147-157 (issn: 0031-0220, eissn: 1867-6812,

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Authors: Adrian P. Hunt; Spencer G. Lucas;

doi: 10.1007/bf02989485

The first occurrence of the aetosaurParatypothorax andressi (Reptilia, Aetosauria) in the western United States and its biochronological significance

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Abstract

A partial skeleton of the aetosaurParatypothorax andressi from Petrified Forest National Park, Arizona, is the first documentation of this species in North America.Paratypothorax is one of the few tetrapod taxa that occur in both the Keuper of Germany and the Chinle Group of the western United States, but it is of limited biochronological utility, because it occurs in strata that range in age from late Carnian to middle Norian.

Related Organizations

American Museum of Natural History
United States

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