PiƱon Locality (Jurassic to of the United States)

Where: Navajo County, Arizona (36.1° N, 110.2° W: paleocoordinates 32.4° N, 57.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial

Size class: macrofossils

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

Primary reference: J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 70024: authorized by Matthew Carrano, entered by Matthew Carrano on 14.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Diplodocidae
Apatosaurus sp. Marsh 1877 diplodocid