USGS 25570-PC (Carboniferous of the United States)

Where: White Pine County, Nevada (39.5° N, 115.4° W: paleocoordinates 3.6° N, 43.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Cravenoceras hesperium zone, Diamond Peak Formation, Pendleian (330.9 - 327.0 Ma)

• JA: ammonoid zone is "early Namurian" = Serpukhovian and "equivalent to the lower part of foraminiferal Zone 18" of Mamet and Skipp 1970, which is early Serpukhovian = Pendleian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; poorly lithified, pebbly, sandy, calcareous limestone

• a pebbly limestone bed, weathered into a tan porous layer resembling punk and contains almost completely weathered out fossil shells held in place by a weak sandy calcareous binder.

Reposited in the USGS

Collection methods: mechanical,

Primary reference: M., J.r. Gordon and E. L. Yochelson. 1983. A gastropod fauna from the Cravenoceras hesperium ammonoid zone (Upper Mississippian) in east-central Nevada. Journal of Paleontology 57(5):971-991 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5530: authorized by John Alroy, entered by Mike Sommers on 11.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Euomphalidae
Straparollus aff. pancakensis, "Straparollus (Euomphalus) intermedius n. sp." = Amphiscapha intermedius
"Straparollus (Euomphalus) intermedius n. sp." = Amphiscapha intermedius Gordon and Yochelson 1983 snail
 Bellerophontida - Bellerophontidae
"Bellerophon (Bellerophon) vespertinus" = Waagenella vespertinus, Retispira nolani n. sp.
"Bellerophon (Bellerophon) vespertinus" = Waagenella vespertinus Gordon and Yochelson 1983 snail
Retispira nolani n. sp. Gordon and Yochelson 1983 snail
 Murchisoniina - Gosseletinidae
Glabrocingulum (Ananias) seminudum n. sp. Gordon and Yochelson 1983 snail
 Murchisoniina - Lophospiridae
"Worthenia (Yochelsonospira) tenuilineata" = Yochelsonospira tenuilineata
"Worthenia (Yochelsonospira) tenuilineata" = Yochelsonospira tenuilineata Girty 1929 snail