Where: Sierra County, New Mexico (33.2° N, 107.2° W: paleocoordinates 40.4° N, 85.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hall Lake Member (McRae Formation), Lancian (70.6 - 65.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; shale

Size class: macrofossils

Collected by Lee in 1905; reposited in the USNM

Collection methods: quarrying, mechanical,

• USNM 2437 is two vertebral centra and other bone fragments

Primary reference: R. P. Lozinsky, A. P. Hunt, D. L. Wolberg and S. G. Lucas. 1984. Late Cretaceous (Lancian) dinosaurs from the McRae Formation, Sierra County, New Mexico. New Mexico Geology 6(4):72-77 [B. Tiffney/J. Jacobson/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 55286: authorized by Matt Carrano, entered by Kaitlin Maguire on 05.10.2005