KU27, Hess Canyon, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: China Tank Member (Word Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified wackestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: R. L. Batten. 1958. Permian Gastropoda of the southwestern United States. 2. Pleurotomariacea: Portlockiellidae, Phymatopleuridae, and Eotomariidae. Bulletin of the American Museum of Natural History 114(2):153-246 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101774: authorized by Matthew Clapham, entered by Matthew Clapham on 02.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Murchisoniina - Phymatopleuridae
Worthenia tabulata1 Conrad 1835 snail
 Murchisoniina - Gosseletinidae
"Glyptotomaria (Glyptotomaria) pistra" = Dictyotomaria pistra
"Glyptotomaria (Glyptotomaria) pistra" = Dictyotomaria pistra Batten 1958 snail
 Cyrtoneritida - Orthonychiidae
"Platyceras (Orthonychia) bowsheri" = Orthonychia bowsheri3
"Platyceras (Orthonychia) bowsheri" = Orthonychia bowsheri3 Yochelson 1956 snail
5 of variant 1, 2 of variant 2
 Euomphalina - Omphalotrochidae
Babylonites acutus3 Yochelson 1956 snail
Bivalvia
 Myalinida - Myalinidae
Myalina plicata n. sp.2 McRoberts and Newell 2005 clam