AMNH B6942, Snider Basin, Garfield Mountain, Natrona County: Lopingian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Naticopsidae
Naticopsis (Naticopsis) sp. M'Coy 1844
Kulas and Batten 1997
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 42.8° North, 107.3° West (view map)
Paleocoordinates:13.1° North, 30.6° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Permian Epoch: Lopingian
10 m.y. bin: Permian 4
Key time interval: Lopingian
Age range of interval: 259.51 - 251.902 m.y. ago
Stratigraphy
Formation:Park City Member:Ervay
Stratigraphic resolution:group of beds
Stratigraphy comments: Davydov et al. 2017 dated an ash bed in the upper Meade Peak Member at 260.57 ± 0.07 / 0.14 / 0.31 Ma, indicating that the Meade Peak is as young as uppermost Capitanian.
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: dolomite
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:AMNH
Metadata
Database number:82132
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2008-07-23 16:25:01 Last modified:2018-11-25 22:06:26
Access level:the public Released:2008-07-23 16:25:01
Creative Commons license:CC BY
Reference information

Primary reference:
11472. N. D. Newell and D.W. Boyd. 1995. Pectinoid bivalves of the Permian-Triassic crisis. Bulletin of the American Museum of Natural History 227:1-95 [D. Bottjer/M. Clapham/M. Clapham]

Secondary references:

16123 H. A. Kulas and R. L. Batten. 1997. Silicified gastropods from the Permian Phosphoria rock complex of Wyoming. Contributions to Geology, University of Wyoming 31(2):33-58 [P. Wagner/P. Wagner]