Saurian Valley (UCMP V82251, PFV 097) (Triassic of the United States)

Where: Navajo County, Arizona (35.0° N, 109.9° W: paleocoordinates 10.7° N, 48.3° W)

• coordinate based on nearby landmark

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

• 6 to 8 metre below Sonsela Sandstone according to Long & Murry (1995)

•This collection was originally listed as in the lower Petrified Forest Member by Long & Murry (1995), but as the Sonsela Member by Parker & Barton (2008) and Nesbitt et al. (2009)

Environment/lithology: terrestrial; siltstone

• Lithology data from UCMP catalogue

Size class: macrofossils

Collected by UCMP, NPS, USNM, AMNH in 1921-1985; reposited in the UCMP

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/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92821: authorized by Richard Butler, entered by Richard Butler on 01.12.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dipnoi - Arganodontidae
Arganodus sp. Martin 1979 lungfish
 Temnospondyli - Metoposauridae
"Buettneria perfecta" = Koskinonodon perfectus
"Buettneria perfecta" = Koskinonodon perfectus Case 1922 tetrapod
UCMP unnumbered, plate fragments
Reptilia indet. Laurenti 1768 reptile
UCMP 126749, caudal vertebra; UCMP unnumbered, ilium
 Eosuchia - Doswelliidae
Vancleavea campi Long and Murry 1995 archosauromorph
UCMP 178050, caudal vertebra and fragments
 Pseudosuchia - Stagonolepididae
"Stagonolepis wellesi" = Calyptosuchus wellesi
"Stagonolepis wellesi" = Calyptosuchus wellesi Long and Ballew 1985 archosaur
UCMP 126953, plates; UCMP 126954, plate fragment
 Pseudosuchia -
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus Cope 1892 archosaur
UCMP 126950, paramedian plates
 Therapsida - Stahleckeriidae
? Placerias sp. Lucas 1904 dicynodont
UCMP 26682, radius and partial ilium and humerus