Dinwoody Canyon, Ervay Mb, Fremont County: Lopingian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Sanguinolitidae
Sanguinolites sp. M'Coy 1844
    = Vacunella elongata Ciriacks 1963
Prinoth and Posenato 2023
? Wilkingia sp. Wilson 1959
(1 measurement)
Bivalvia - Cardiida - Kalenteridae
Stutchburia sp. Etheridge 1900
? Permophorus sp. Chavan 1954
Bivalvia - Pectinida - Limipectinidae
Acanthopecten coloradoensis (Newberry 1861)
Bivalvia - Pectinida - Heteropectinidae
Aviculopecten cf. vanvleeti Beede 1902
recombined as Heteropecten vanvleeti
Bivalvia - Pectinida - Aviculopectinidae
Obliquipecten sp. Hind 1903
(2 measurements)
Bivalvia - Pectinida - Deltopectinidae
Cyrtorostra varicostata Branson 1930
(1 measurement)
Bivalvia - Pectinida - Pseudomonotidae
Pseudomonotis sp. von Beyrich 1862
Bivalvia - Arcida - Parallelodontidae
Parallelodon cf. multistriatus Girty 1908
(1 measurement)
see common names

Geography
Country:United States State/province:Wyoming
Coordinates: 43.3° North, 109.4° West (view map)
Paleocoordinates:14.4° North, 31.8° 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:259.51000 - 251.90200 m.y. ago
Stratigraphy
Formation:Park City Member:Ervay
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"
Environment:carbonate 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:96805
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2010-07-01 08:16:26 Last modified:2018-11-25 22:08:51
Access level:the public Released:2010-07-01 08:16:26
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]

Secondary references:

84610 H. Prinoth and R. Posenato. 2023. Bivalves from the Changhsingian (upper Permian) Bellerophon Formation of the Dolomites (Italy): ancestors of Lower Triassic post-extinction benthic communities. Papers in Palaeontology 9:e1486 [M. Clapham/M. Clapham/P. Wagner]