USNM712g, Powwow Canyon, Hueco Mountains (Permian of the United States)

Where: Texas (31.8° N, 106.0° W: paleocoordinates 0.6° S, 36.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hueco Formation, Sakmarian (293.5 - 290.1 Ma)

• Lower part of Hueco limestone (near base, above Powwow conglomerate member)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: R. L. Batten. 1989. Permian Gastropoda of the southwestern United States. 7. Pleurotomariacea: Eotomariidae, Lophospiriidae, Gosseletinidae. American Museum Novitates 2958:1-64 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101780: authorized by Matthew Clapham, entered by Matthew Clapham on 03.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Omphalotrochidae
Omphalotrochus obtusispira4 Shumard 1859 snail
 Euomphalina - Euomphalidae
 Euomphalina - Microdomatidae
Glyptospira turrita3 Erwin 1988 snail
 Caenogastropoda - Orthonematidae
Orthonema telescopiforme n. sp.2 Erwin 1988 snail
 Bellerophontida - Bellerophontidae
Bellerophon (Bellerophon) huecoensis n. sp.5 Yochelson 1960 snail
"Knightites (Retispira) eximia" = Yochelsonellisa eximia5 Yochelson 1960 snail
 Murchisoniina - Soleniscidae
Soleniscus variabilis1 Erwin 1988 snail
Soleniscus diminutus1 Erwin 1988 snail
 Murchisoniina - Gosseletinidae
Apachella franciscana Chronic 1952 snail
Apachella huecoensis Batten 1989 snail
Apachella prodontia Winters 1963 snail
Baylea huecoensis Batten 1989 snail
 Murchisoniina - Phymatopleuridae
Worthenia latialveozona Batten 1989 snail
Worthenia kingi Batten 1989 snail
Worthenia speciosa Meek and Worthen 1860 snail
Worthenia alticarinata Batten 1989 snail
 Neritoidea - Naticopsidae
Colpites striata Batten 1989 snail