USNM712a, Elwood Siding, Orogrande (Permian of the United States)

Where: New Mexico (32.3° N, 106.1° W: paleocoordinates 2.5° N, 35.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hueco Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

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 101795: authorized by Matthew Clapham, entered by Matthew Clapham on 03.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Entoliidae
Pernopecten yini4 Newell and Boyd 1995 scallop
Gastropoda
 Euomphalina - Omphalotrochidae
Omphalotrochus obtusispira Shumard 1859 snail
 Euomphalina - Pseudophoridae
Sallya bicincta n. sp. Yochelson 1956 snail
 Euomphalina - Euomphalidae
 Bellerophontida - Euphemitidae
Warthia crassus5 Yochelson 1960 snail
 Bellerophontida - Bellerophontidae
Bellerophon (Bellerophon) oteroensis n. sp.5 Yochelson 1960 snail
 Heterostropha - Donaldinidae
Donaldina knighti3 Erwin 1988 snail
Donaldina gracilis3 Erwin 1988 snail
 Caenogastropoda - Meekospiridae
Ceraunocochlis kidderi n. sp.2 Erwin 1988 snail
 Cerithioidea - Acanthonematidae
"Orthonema columnare" = Bicuerda columnare3
"Orthonema columnare" = Bicuerda columnare3 Erwin 1988 snail
 Caenogastropoda - Orthonematidae
Orthonema illineatus n. sp.3 Erwin 1988 snail
Metorthonema sinistrale n. sp.3 Erwin 1988 snail
 Murchisoniina - Soleniscidae
Soleniscus variabilis2 Erwin 1988 snail
 Murchisoniina - Phymatopleuridae
Worthenia latialveozona1 Batten 1989 snail
Worthenia alticarinata1 Batten 1989 snail
 Murchisoniina - Gosseletinidae
Apachella prodontia1 Winters 1963 snail