Where: New Mexico (32.1° N, 107.6° W: paleocoordinates 0.4° N, 37.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Alacran Mountain Formation, Sakmarian (293.5 - 290.1 Ma)

• Bed 30 of Bogart. Gym Limestone is correlative of Hueco Limestone.. PJW: This part of Gym formation is now the Alacran Mountain Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: E. L. Yochelson. 1956. Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. Bulletin of the American Museum of Natural History 110(3):173-276 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121451: authorized by Matthew Clapham, entered by Matthew Clapham on 04.12.2011

Creative Commons license: CC BY (attribution)