Jasper Forest Locality (SMU Loc. 232) (Triassic of the United States)

Where: Navajo County, Arizona (34.9° N, 109.8° W: paleocoordinates 10.5° N, 48.3° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• approx. 15 ft (4.6 m) below base of Sonsela Mb.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, fine-grained, coarse, concretionary, hematitic, gray, green, cherty/siliceous wackestone

• "sandstone (lithic wacke; fine to coarse grained; poorly to well-lithified; poorly sorted; minor rose quartz, jasper and black chert); bones 'rotted', many in hematite concretions; dark gray 2.5 Y N4 to olive yellow 2.5 Y 5/6"

Size classes: macrofossils, mesofossils

Preservation: concretion

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: taxonomic analysis

PaleoDB collection 84268: authorized by Matthew Carrano, entered by Matthew Carrano on 02.10.2008, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

 Temnospondyli - Metoposauridae
Metoposaurus fraasi Lucas 1904 tetrapod
 Saurischia -
Saurischia indet. saurischian
 Pseudosuchia - Stagonolepididae
"Stagonolepis wellesi" = Calyptosuchus wellesi
"Stagonolepis wellesi" = Calyptosuchus wellesi Long and Ballew 1985 archosaur
 Pseudosuchia -
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus Cope 1892 archosaur
 Phytosauria - Parasuchidae
Rutiodon sp. Emmons 1856 archosaur
 Pinales - Araucariaceae