Saurian Valley N (PF 099) (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)

• "Top of Sonsela Sandstone" within lower Petrified Forest Member according to Long & Murry (1995). Sonsela Member according to Parker & Irmis (2005)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by UCMP in 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 92923: authorized by Richard Butler, entered by Richard Butler on 10.12.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• Long & Murry (1995:213) also list Paratypothorax sp. and Leptosuchus sp. in their taxonomic list for this locality; however, specimens of these taxa are not listed for this locality in their Appendix 2
 Dipnoi - Arganodontidae
Arganodus sp. Martin 1979 lungfish
 Pseudosuchia - Stagonolepididae
"Stagonolepis wellesi" = Calyptosuchus wellesi
"Stagonolepis wellesi" = Calyptosuchus wellesi Long and Ballew 1985 archosaur
UCMP, lateral plate
 Pseudosuchia -
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus
"Desmatosuchus haplocerus" = Episcoposaurus haplocerus Cope 1892 archosaur
UCMP, fragments of paramedian plate
 Phytosauria - Parasuchidae
Pravusuchus hortus Stocker 2010 archosaur
PEFO 31218, complete skull