USGS 23836-PC: Pendleian, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Bellerophontida - Bellerophontidae
Retispira nolani n. sp. Gordon and Yochelson 1983
1 specimen
Bellerophon (Bellerophon) vespertinus n. sp. Gordon and Yochelson 1983
18 specimens
recombined as Waagenella vespertinus
Gastropoda - Bellerophontida - Euphemitidae
Euphemites nevadensis Gordon and Yochelson 1983
2 specimens
Gastropoda - Murchisoniina - Portlockiellidae
Hammatospira bellula n. gen., n. sp. Gordon and Yochelson 1983
1 specimen
Gastropoda - Murchisoniina - Gosseletinidae
Neilsonia cf. welleri Thein and Nitecki 1974
2 specimens
Glabrocingulum (Glabrocingulum) quadrigatum Sadlick and Nielsen 1963
1 specimen
recombined as Glabrocingulum quadrigatum
Glabrocingulum (Ananais) seminudum n. sp. Gordon and Yochelson 1983
8 specimens
Gastropoda - Murchisoniina - Phymatopleuridae
Catazona rudilirata n. gen., n. sp. Gordon and Yochelson 1983
2 specimens
Gastropoda - Murchisoniina - Lophospiridae
Worthenia (Yochelsonospira) tenuilineata (Girty 1929)
11 specimens
recombined as Yochelsonospira tenuilineata
Gastropoda - Euomphalina - Euomphalidae
Straparollus (Euomphalus) aff. pancakensis Mount 1973
2 specimens
Straparollus (Euomphalus) intermedius n. sp. Gordon and Yochelson 1983
10 specimens
recombined as Amphiscapha intermedius
Gastropoda - Euomphalina - Platyceratidae
? Strophostylus tantillus n. sp. Gordon and Yochelson 1983
1 specimen
Gastropoda - Cyrtoneritida - Orthonychiidae
Platyceras (Orthonychia) sp. (Hall 1843)
original and current combination Orthonychia
Gastropoda - Goniasmatidae
Platyzona sp. Knight 1945
see common names

Geography
Country:United States State/province:Nevada County:White Pine
Coordinates: 39.5° North, 115.4° West (view map)
Paleocoordinates:3.6° North, 43.8° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Carboniferous Epoch:Mississippian
Stage:Serpukhovian 10 m.y. bin:Carboniferous 3
*Period:Early/Lower Carboniferous *Epoch:Serpukhovian
*International age/stage:Pendleian *Local age/stage:Chesterian
Key time interval:Pendleian Zone: Cravenoceras hesperium
Age range of interval:330.90000 - 327.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Diamond Peak
Stratigraphic resolution:bed
Stratigraphy comments: 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
Lithology and environment
Primary lithology:pebbly poorly lithified sandy,calcareous "limestone"
Lithology description: 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.
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection methods:surface (in situ),mechanical,field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:USGS
Metadata
Database number:5523
Authorizer:J. Alroy Enterer:M. Sommers
Modifier:J. Alroy Research group:marine invertebrate
Created:1999-10-08 17:19:26 Last modified:2007-06-08 19:09:45
Access level:the public Released:1999-10-08 17:19:26
Creative Commons license:CC BY
Reference information

Primary reference:
328. 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]