St. Michaels S (UA) (Triassic of the United States)

Where: Apache County, Arizona (35.6° N, 109.1° W: paleocoordinates 11.2° N, 47.6° W)

• coordinate estimated from map

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

• "Probably from the Blue Mesa Member of the Chinle Formation; however it is possible that they derive from a lower member such as the Mesa Redondo" (Parker 2005)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by UA in 1952

Primary reference: R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254 [M. Carrano/M. Carrano/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 93354: authorized by Richard Butler, entered by Richard Butler on 15.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pseudosuchia - Stagonolepididae
"Stagonolepis wellesi" = Calyptosuchus wellesi
"Stagonolepis wellesi" = Calyptosuchus wellesi Long and Ballew 1985 aetosaur
UA 2092, paramedian plate fragment
 Pseudosuchia -
Poposaurus gracilis Mehl 1915 archosaur
UA 2092, proximal left ischium
Amphibia
 Temnospondyli - Metoposauridae
"Buettneria perfecta" = Anaschisma browni
"Buettneria perfecta" = Anaschisma browni Branson 1905 tetrapod
UA 2092, numerous fragments