Where: Hidalgo County, New Mexico (32.7° N, 109.0° W: paleocoordinates 32.8° N, 108.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gila Conglomerate Formation, Blancan (4.9 - 1.8 Ma)

• 4 localities in about 15 m of section, but later material of Morgan and Lucas 1999b comes from 60 m of section and may be diachronous

• member-level stratigraphic resolution

Environment/lithology: fluvial; siltstone

Size classes: macrofossils, mesofossils

Collection methods: bulk, surface (float), sieve,

Primary reference: Y. Tomida. 1987. Small mammal fossils and correlation of continental deposits, Safford and Duncan basins, Arizona. National Science Museum 1-141 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 19655: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)