MNA 795, Ward Terrace (Triassic of the United States)

Where: Coconino County, Arizona (35.9° N, 111.4° W: paleocoordinates 14.8° N, 50.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Owl Rock Member (Chinle Formation), Rhaetian (208.5 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in the 1980s

• collected as a part of a project by crews from the MNA in the 1980s on the Navajo Nation

Primary reference: A. D. Marsh. 2018. A new record of Dromomeron romeri Irmis et al., 2007 (Lagerpetidae) from the Chinle Formation of Arizona, U.S.A. PaleoBios 35:1-8 [P. Holroyd/P. Holroyd/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 198618: authorized by Patricia Holroyd, entered by Patricia Holroyd on 29.12.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Archosauria -
Archosauria indet. Cope 1869 archosaur
 Lagerpetidae - Lagerpetidae
Dromomeron romeri Irmis et al. 2007 ornithodiran
MNA V7237, L astragalus
 Pseudosuchia - Stagonolepididae
Typothorax coccinarum Cope 1875 aetosaur
MNA V5583, osteoderms
 Pseudosuchia - Shuvosauridae
Shuvosauridae indet. Chatterjee 1993 archosaur
MNH V5615, limb bones
 Phytosauria - Parasuchidae
"Pseudopalatinae indet." = Mystriosuchini
"Pseudopalatinae indet." = Mystriosuchini Huene 1915 archosaur
MNA V7143, squamosals
Bivalvia
 Unionida - Hyriidae