USGS Mesozoic loc. 2996, CAS 32712: Bajocian, Alaska
collected by T.W. Stanton, G.C. Martin, A. Brown 1904

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Trigoniida - Myophorellidae
Myophorella aff. dawsoni Whiteaves 1878
see common names

Geography
Country:United States State/province:Alaska
Coordinates: 60.2° North, 152.7° West (view map)
Paleocoordinates:28.9° North, 84.4° West
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Bajocian 10 m.y. bin:Jurassic 4
Key time interval:Bajocian
Age range of interval:170.90000 - 168.20000 m.y. ago
Stratigraphy
Formation:Fitz Creek Siltstone
Stratigraphy comments: Middle Bajocian
Lithology and environment
Primary lithology: siltstone
Secondary lithology:fine,gray "shale"
Lithology description: From Martin, 1926: Fine-grained gray shale with Sphaeroceras oblatum, Belemnites, etc. (lot 2996 at base and lot 10517), 18 ft.
Environment:marine indet.
Taphonomy
Modes of preservation:body,cast,mold/impression
Size of fossils:macrofossils,mesofossils,microfossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:CAS,USNM
Collectors:T.W. Stanton, G.C. Martin, A. Brown Collection dates:1904
Metadata
Database number:139471
Authorizer:G. Stanley Enterer:H. Shepherd
Modifier:H. Shepherd
Created:2013-02-12 06:59:54 Last modified:2013-02-15 17:33:46
Access level:the public Released:2013-02-12 06:59:54
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]