Big Popo Agie Canyon, Lander, Fremont County: Lopingian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Nuculanida - Polidevciidae
Polidevcia bellistriata (Stevens 1858)
Bivalvia - Nuculida - Nuculidae
Nucula poposiensis n. sp. Branson 1930
(1 measurement)
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 42.8° North, 108.8° West (view map)
Paleocoordinates:13.7° North, 31.7° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
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:Phosphoria Member:Retort
Stratigraphic resolution:bed
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:phosphatic lithified "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:83004
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2008-08-05 17:23:02 Last modified:2018-11-25 21:56:46
Access level:the public Released:2008-08-05 17:23:02
Creative Commons license:CC BY
Reference information

Primary reference:
27437. K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100 [M. Clapham/M. Clapham]