Little Popo Agie River (Triassic of the United States)

Where: Fremont County, Wyoming (42.7° N, 108.7° W: paleocoordinates 11.6° N, 38.6° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Popo Agie Formation (Chugwater Group), Carnian (237.0 - 228.0 Ma)

• Top of the Popo Agie

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by E. B. Branson, Uni. Missouri in 1927

• University of Missouri Vertebrate Paleontology collection

Primary reference: E. B. Branson and M. G. Mehl. 1929. Triassic amphibians from the Rocky Mountain Region. The University of Missouri Studies 4:1-87 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91569: authorized by Richard Butler, entered by Richard Butler on 02.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria - Parasuchidae
? Angistorhinus sp. Mehl 1913 archosaur
MU VP 532, interclavicle
Angistorhinus maximus n. sp. Mehl 1928 archosaur
MU VP 531, partial skull
Amphibia
 Temnospondyli - Metoposauridae
Anaschisma sp. Branson 1905 tetrapod
Clavicle (no specimen number provided)