Picket House Draw (Triassic of the United States)

Where: Apache County, Arizona (34.5° N, 109.3° W: paleocoordinates 10.1° N, 48.0° W)

• coordinate estimated from map

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

• lower part of member; has also been assigned to Bluewater Creek Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 1946; reposited in the USNM

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: taxonomic analysis

PaleoDB collection 92913: authorized by Richard Butler, entered by Richard Butler on 08.12.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Metoposauridae
"Buettneria perfecta" = Anaschisma browni
"Buettneria perfecta" = Anaschisma browni Branson 1905 tetrapod
Reptilia
 Phytosauria - Parasuchidae
Leptosuchus sp. Case 1922 archosaur
USNM 17098, skull and jaws