Also known as Hoplochelys Ridge

Where: Brewster County, Texas (29.4° N, 103.2° W: paleocoordinates 35.4° N, 84.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Black Peaks Formation (Tornillo Group), Early/Lower Paleocene (66.0 - 61.7 Ma)

• Just above the Cretaceous/Tertiary boundary and approx. 52 m above the Javelina Formation; located about 92 meters above a tuff dated as 69.0 ± 0.9 Ma (U-Pb) (late Edmontonian to Lancian NALMA)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Coulson; reposited in the TMM

Primary reference: T. M. Lehman, S. L. Wick, H. L. Beatty, W. R. Straight, and J. R. Wagner. 2018. Stratigraphy and depositional history of the Tornillo Group (Upper Cretaceous–Eocene) of West Texas. Geosphere 14(5):2206-2244 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 226343: authorized by Matthew Carrano, entered by Matthew Carrano on 30.06.2022

Creative Commons license: CC BY (attribution)