Bulletin no. 6

Dr. Robert D. McCord and Debra Boaz, eds.

Bulletin number 6 was produced as a companion to the 1999 Southwest Paleontological Symposium hosted by the Mesa Southwest Museum and the Southwest Paleontological Society (SPS). The volume is a collection of papers and descriptive abstracts of the presentations given by professional scientists, students, and avocationists. The subject matter is broad, reflecting the abundance of paleontological resources in the southwestern region. 60 pages.

Southwest Paleontological Symposium Proceedings

Mesa Southwest Museum Bulletin No. 6

Table of Contents

Enigmatic Structures in the Apache Group, 1.2 GA., North‐Central Arizona (abstract)

John McClellan and Carol M. Tang Department of Geology Arizona State University

Skolithos Piperock in the Bolsa Quartzite (Cambrian), Whetstone Mountains, Arizona (abstract)

Carol M. Tang Department of Geology Arizona State University

Description of Two Coral Species in the Devonian Martin Formation (Kohl's Ranch, Arizona) (abstract)

Lisa Glonek and Carol M. Tang Department of Geology Arizona State University

Brachiopod Variation Within the Lower Pennsylvanian Naco Formation, Tonto Creek, Central Arizona (abstract)

E.M. Young and Carol M. Tang Department of Geology Arizona State University

Lower Chinle Group (Upper Triassic: Upper Carnian) Tetrapods from the Vicinity of Cameron, Arizona (abstract)

A. B. Heckert Department of Earth & Planetary Science University of New Mexico S. G. Lucas and J. W. Estep New Mexico Museum of Natural History and Science

Additions to the Vertebrate Fauna of the Upper Triassic Blue Mesa Member (Adamanian‐Latest Carnian) of the Petrified Forest Formation in the Blue Hills, Apache County, Arizona (abstract)

A. B. Heckert Department of Earth & Planetary Science University of New Mexico S. G. Lucas, S. E. Kryzanowski and J. W. Estep New Mexico Museum of Natural History and Science

Topotype Skull of Placerias (Synapsida: Dicynodontia) from the Upper Triassic Chinle Group of Northern Arizona (abstract) S. G. Lucas New Mexico Museum of Natural History and Science A. B. Heckert Department of Earth & Planetary Science University of New Mexico J. W. Estep New Mexico Museum of Natural History and Science

A Middle Triassic Ichnofauna: A Preliminary Report

Sterling Nesbitt Avocationist ‐ Southwest Paleontological Society Mesa Southwest Museum

Cranial Kinetics and Jaw Mechanisms in Allosaurus (abstract)

Paul J. Bybee Department of Science Orem Valley State College David K. Smith Earth Science Museum Brigham Young University

Predominately Juvenile Mid‐Jurassic Oyster Population in Northern Wyoming: Ecological and Taphonomic Inferences for Gryphaea nebrascensis (abstract)

Gavin McCullough, C. M. Tang, Leanne Bosson and Ayelet Blattstein Department of Geology Arizona State University

A Report on the Utility of Sauropod Caudal Vertabrae for Generic Identification and of the First Occurrence of Apatosaurus in Arizona

Brian D. Curtice Department of Paleontology Mesa Southwest Museum

The Relationships of Albanerpeton

Robert D. McCord, II Department of Paleontology Mesa Southwest Museum

A Review of the Hadrosaurs from California (abstract)

T. L. Ford Avocationist Poway, CA