Where: Fremont County, Colorado (38.5° N, 105.2° W: paleocoordinates 34.0° N, 52.3° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: cast, trace

Collected by J. B. Hatcher in 1903; reposited in the DMNH

Collection methods: surface (float), surface (in situ),

Primary reference: J. B. Hatcher. 1903. Osteology of Haplocanthosaurus, with description of a new species, and remarks on the probable habits of the Sauropoda and the age and origin of the Atlantosaurus Beds. Memoirs of the Carnegie Museum 2(1):1-72 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 192714: authorized by Matthew Carrano, entered by Matthew Carrano on 16.04.2018

Creative Commons license: CC BY (attribution)