Locality 9385, south bank of Yukon River: Julian, Alaska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Nautilida - Tainoceratidae
Germanonautilus brooksi Smith 1927
Kummel 1953
Cephalopoda - Ceratitida - Nathorstitidae
Nathorstites alaskanus n. sp. Smith 1927
Bivalvia - Pectinida - Aviculopectinidae
Eumorphotis nationalis n. sp. Smith 1927
see common names

Geography
Country:United States State/province:Alaska
Coordinates: 65.2° North, 141.7° West (view map)
Paleocoordinates:39.8° North, 43.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Triassic Epoch: Late Triassic
Stage: Carnian 10 m.y. bin: Triassic 3
Key time interval: Julian
Age range of interval: 237 - 233.4 m.y. ago
Stratigraphy
Stratigraphy comments: "probably Dawsonites zone" (Dawsonites now Daxatina)
Lithology and environment
Primary lithology: lithified "limestone"
Includes fossils?Y
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Metadata
Also known as:Locality 8849
Database number:33431
Authorizer:D. Bottjer, M. Clapham Enterer:C. Powers, M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2003-07-29 16:29:23 Last modified:2013-05-05 15:03:17
Access level:the public Released:2003-07-29 16:29:23
Creative Commons license:CC BY
Reference information

Primary reference:
8858. J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262 [D. Bottjer/C. Powers/M. Clapham]

Secondary references:

31775 B. Kummel. 1953. American Triassic coiled nautiloids. United States Geological Survey Professional Paper 250:1-104 [M. Clapham/M. Clapham]