Bull Lake Creek (Triassic of the United States)

Also known as Koskinonodon princeps type locality

Where: Fremont County, Wyoming (43.2° N, 109.2° W: paleocoordinates 12.2° N, 38.8° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• Top of Popo Agie

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by University of Missouri

• University of Missouri Vertebrate Paleontology collections; specimens may have come from different levels but no individual locality data is provided

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 91532: authorized by Richard Butler, entered by Richard Butler on 01.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Phytosauria - Parasuchidae
Angistorhinus sp. Mehl 1913 archosaur
UM VP 533, 534, 535, ischium, ilium and femur
Amphibia
 Temnospondyli - Metoposauridae
"? Anaschisma sp." = Anaschisma, "Koskinonodon princeps n. gen. n. sp." = Anaschisma browni, "? Koskinonodon sp." = Anaschisma
"? Anaschisma sp." = Anaschisma Branson 1905 tetrapod
UM VP 522, 542, interclavicles
"Koskinonodon princeps n. gen. n. sp." = Anaschisma browni Branson 1905 tetrapod
UM VP 537 (holotype), well-preserved skull.
"? Koskinonodon sp." = Anaschisma Branson 1905 tetrapod
UM VP 578, vertebra