Also known as DQ

Where: Washakie County, Wyoming (44.1° N, 107.5° W)

• Paleocoordinates: 31.1° N, 39.0° W (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Morrison Formation, Late/Upper Oxfordian to Late/Upper Oxfordian (157.9 - 152.2 Ma)

• lower part of formation, 6-9 m above contact w/underlying Sundance Fm.

• bed-level stratigraphic resolution

Environment/lithology: fine channel fill; medium-grained, coarse, brown, yellow sandstone

Size classes: macrofossils, mesofossils

Collected by H. Galiano, M. Norell, O. Mateus in 1991, 2006–2017; reposited in the AMNH

Collection methods: quarrying, surface (in situ), mechanical,

• discovered ca. 1991 but not excavated until 2006-

Primary reference: H. Galiano and R. Albersdörfer. 2010. A New Basal Diplodocoid Species, Amphicoelias brontodiplodocus from the Morrison Formation, Big Horn Basin, Wyoming, with Taxonomic Reevaluation of Diplodocus, Apatosaurus, Barosaurus and Other Genera. Dinosauria International (Ten Sleep, WY) Report for September 2010 1-41 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126540: authorized by Matthew Carrano, entered by Matthew Carrano on 06.04.2012, edited by Jonathan Tennant

Creative Commons license: CC0 (CC0)