USNM712u, Hill 5021 (Permian of the United States)

Where: Texas (30.3° N, 103.3° W: paleocoordinates 0.8° S, 34.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lenox Hills Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: D. H. Erwin. 1988. The genus Glyptospira (Gastropoda: Trochacea) from the Permian of the southwestern United States. Journal of Paleontology 62(6):868-879 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107663: authorized by Matthew Clapham, entered by Matthew Clapham on 12.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Microdomatidae
Glyptospira huecoensis Erwin 1988 snail