Flattops locality (SMU Loc. 231) (Triassic of the United States)

Also known as Petrified Forest, PEFO

Where: Navajo County, Arizona (34.8° N, 109.8° W: paleocoordinates 10.5° N, 48.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• below "flattops sandstone number two"; 2 thin fossiliferous horizons

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; silty limestone

• "discontinuous silty limestones in which the fossiliferous layers contain a variety of evaporite minerals"

Size classes: macrofossils, mesofossils

Preservation: replaced with other

Collected by P. A. Murry

Primary reference: P. A. Murry and R. A. Long. 1989. Geology and paleontology of the Chinle Formation, Petrified Forest National Park and vicinity, Arizona and a discussion of vertebrate fossils of the southwestern Upper Triassic. In S. G. Lucas and A. P. Hunt (eds.), Dawn of the Age of Dinosaurs in the American Southwest, New Mexico Museum of Natural History, Albuquerque 29-64 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 84266: authorized by Matthew Carrano, entered by Matthew Carrano on 02.10.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Metoposauridae
"Anaschisma" sp. Branson 1905 tetrapod
Reptilia
 Phytosauria - Parasuchidae
Rutiodon sp. Emmons 1856 archosaur
"group B"
 Pseudosuchia - Stagonolepididae
Paratypothorax sp. Long and Ballew 1985 aetosaur
Typothorax coccinarum Cope 1875 aetosaur
Osteichthyes
 Ceratodontiformes - Arganodontidae
Arganodontidae indet. Martin 1982 Australian lungfish
PEFO 3885-87
Arganodus sp. Martin 1979 Australian lungfish