USGS Mesozoic Locality 1252, Cow Creek: Hauterivian, Oregon
collected by T.W. Stanton 1894

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Decapoda - Nephropidae
Hoploparia riddlensis Feldmann 1974
Cephalopoda - Phylloceratida - Phylloceratidae
Hypophylloceras aff. onoensis
original and current combination Phylloceras (Hypophylloceras)
Phyllopachyceras umpquanum (Anderson 1938)
Phyllopachyceras trinitense (Anderson 1938)
synonym of Phyllopachyceras infundibulum
Cephalopoda - Ammonitida - Neocomitidae
Hannaites riddlensis (Anderson 1938)
Cephalopoda - Ammonitida - Polyptychitidae
Wellsia oregonensis (Anderson 1938)
recombined as Homolsomites oregonensis
Wellsia vigorosa Imlay 1960
Wellsia packardi (Anderson 1938)
Cephalopoda - Ammonitida - Lytoceratidae
Lytoceras aulaeum Anderson 1938
see common names

Geography
Country:United States State/province:Oregon County:Douglas
Coordinates: 43.0° North, 123.4° West (view map)
Paleocoordinates:41.8° North, 72.1° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Hauterivian 10 m.y. bin:Cretaceous 2
Key time interval:Hauterivian
Age range of interval:132.60000 - 125.77000 m.y. ago
Stratigraphy
Formation:Days Creek
Lithology and environment
Primary lithology: sandstone
Secondary lithology: siltstone
Environment:submarine fan Tectonic setting:forearc basin
Taphonomy
Modes of preservation:body,original chitin
Size of fossils:macrofossils
Articulated whole bodies:many
Associated major elements:many
Collection methods and comments
Collection methods:surface (float),surface (in situ),mechanical
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:T.W. Stanton Collection dates:1894
Metadata
Database number:45673
Authorizer:C. Schweitzer Enterer:C. Schweitzer
Modifier:M. Clapham Research group:decapod,marine invertebrate
Created:2004-11-22 10:55:08 Last modified:2017-06-04 15:26:00
Access level:the public Released:2004-11-22 10:55:08
Creative Commons license:CC BY
Reference information

Primary reference:

12044. R. M. Feldmann. 1974. Hoploparia riddlensis, a new species of lobster (Decapoda: Nephropidae) from the Days Creek Formation (Hauterivian, Lower Cretaceous) of Oregon. Journal of Paleontology 48(3):586-593 [C. Schweitzer/C. Schweitzer/C. Schweitzer]