SW of Cameron, Rotodactylus bradyi type (Triassic to of the United States)

Where: Coconino County, Arizona (35.9° N, 111.4° W: paleocoordinates 4.5° N, 39.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Holbrook Member (Moenkopi Formation), Aegean to Aegean (247.2 - 242.0 Ma)

• Lucas & Schoch (2002: Lethaia 35: 97-106) inferred the Holbrook member to be earliest Anisian (Aegean–Bithynian) in age based upon tetrapod biostratigraphy (Eocyclotosaurus used to correlate Holbrook Member to German Upper Bundsandstein) and magnetostratigraphy

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: trace

Collection methods: MNA: Museum of Northern Arizona

Primary reference: F. E. Peabody. 1948. Reptile and amphibian trackways from the Lower Triassic Moenkopi formation of Arizona and Utah. University of California Publications, Bulletin of the Department of Geological Sciences 27(8):295-468 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135410: authorized by Richard Butler, entered by Richard Butler on 25.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pseudosuchia - Rotodactylidae
Rotodactylus bradyi n. sp. Peabody 1948 archosaur
MNA G2.2613A, G2.2614