USGS Mesozoic loc. 26955: Bathonian - Callovian, Alaska
collected by E.R. Orwig 1957

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Trigoniida - Myophorellidae
Myophorella devexa Eichwald 1871
Hypotype USNM 219891
see common names

Geography
Country:United States State/province:Alaska
Coordinates: 62.1° North, 147.6° West (view map)
Paleocoordinates:31.2° North, 82.1° West
Basis of coordinate:based on nearby landmark
Time
Period:Jurassic Epoch:Middle Jurassic
Key time interval:Bathonian - Callovian
Age range of interval:168.20000 - 161.50000 m.y. ago
Stratigraphy
Formation:Bowser Member:middle
Stratigraphy comments: Bathonian or Callovian, equivalent of middle member of Bowser Formation
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:E.R. Orwig Collection dates:1957
Metadata
Database number:139592
Authorizer:G. Stanley Enterer:H. Shepherd
Modifier:H. Shepherd
Created:2013-02-14 10:20:19 Last modified:2013-02-19 17:10:56
Access level:the public Released:2013-02-14 10:20:19
Creative Commons license:CC BY
Reference information

Primary reference:
40842. T. P. Poulton. 1979. Jurassic Trigoniid Bivalves from Canada and Western United States of America. Geological Survey of Canada Bulletin 282 [G. Stanley/H. Shepherd/H. Shepherd]