Giant Logs (UCMP V82232, PF177) (Triassic of the United States)

Where: Navajo County, Arizona (34.8° N, 109.9° W: paleocoordinates 10.5° N, 48.4° W)

• coordinate based on nearby landmark

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

• Described as Rainbow Sandstone of Lower Petrified Forest Member of Chinle Formation; the "Rainbow Sandstone" is currently placed at the base of the Sonsela Member according to Woody (2003); Hunt et al. (2002: fig. 1) show this as within the Sonsela Member

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by UCMP in 1981, 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/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 93112: authorized by Richard Butler, entered by Richard Butler on 05.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli - Metoposauridae
"Buettneria perfecta" = Anaschisma browni
"Buettneria perfecta" = Anaschisma browni Branson 1905 tetrapod
UCMP plate fragments
Reptilia
 Pseudosuchia - Stagonolepididae
Paratypothorax sp. Long and Ballew 1985 aetosaur
Plates
 Phytosauria - Parasuchidae
Leptosuchus sp. Case 1922 archosaur
UCMP 129809, scutes