A procolophonid (Parareptilia) from the Owl Rock Member, Chinle Formation of Utah, USA

Nicholas C. Fraser; Randall B. Irmis; David K. Elliott

A procolophonid (Parareptilia) from the Owl Rock Member, Chinle Formation of Utah, USA

Nicholas C. Fraser, Randall B. Irmis, David K. Elliott

Earth and Sustainability

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9 Scopus citations

Abstract

An isolated skull of a procolophonid is described from the Owl Rock Member of the Chinle Formation in the Abajo Mountains of southeast Utah. Although poorly preserved, this specimen exhibits features that demonstrate a phylogenetic relationship with leptopleuronine procolophonids. These include the dentition, the greatly expanded orbitotemporal opening, the prominent quadratojugal spikes, and the shape of the jugal.

Original language	English (US)
Journal	Palaeontologia Electronica
Volume	8
Issue number	1
State	Published - 2005

Keywords

Chinle Formation
Late Triassic
Parareptilia
Procolophonidae

ASJC Scopus subject areas

Oceanography

Cite this

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abstract = "An isolated skull of a procolophonid is described from the Owl Rock Member of the Chinle Formation in the Abajo Mountains of southeast Utah. Although poorly preserved, this specimen exhibits features that demonstrate a phylogenetic relationship with leptopleuronine procolophonids. These include the dentition, the greatly expanded orbitotemporal opening, the prominent quadratojugal spikes, and the shape of the jugal.",

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AU - Irmis, Randall B.

AU - Elliott, David K.

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N2 - An isolated skull of a procolophonid is described from the Owl Rock Member of the Chinle Formation in the Abajo Mountains of southeast Utah. Although poorly preserved, this specimen exhibits features that demonstrate a phylogenetic relationship with leptopleuronine procolophonids. These include the dentition, the greatly expanded orbitotemporal opening, the prominent quadratojugal spikes, and the shape of the jugal.

AB - An isolated skull of a procolophonid is described from the Owl Rock Member of the Chinle Formation in the Abajo Mountains of southeast Utah. Although poorly preserved, this specimen exhibits features that demonstrate a phylogenetic relationship with leptopleuronine procolophonids. These include the dentition, the greatly expanded orbitotemporal opening, the prominent quadratojugal spikes, and the shape of the jugal.

KW - Chinle Formation

KW - Late Triassic

KW - Parareptilia

KW - Procolophonidae

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A procolophonid (Parareptilia) from the Owl Rock Member, Chinle Formation of Utah, USA

Abstract

Keywords

ASJC Scopus subject areas

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