Also known as "Ward's Bonebed", Hesperosuchus holotype

Where: Coconino County, Arizona (35.8° N, 111.3° W: paleocoordinates 11.7° N, 49.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• "About 160 feet above the Moenkopi Formation"

•

•Kent et al. 2019: Blue Mesa member lies between magneto zones PF5r to PF8n which roughly corresponds to chronos E11 to E13 (approximately 221.75–216.97Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Brown, Price, Hayden in 1930; reposited in the AMNH

Primary reference: R. E. Martin. 1932. Priceless scientific treasure unearthed in Montana badlands. Popular Science Monthly 120(1):22-23; 118 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93551: authorized by Richard Butler, entered by Richard Butler on 22.01.2010, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)