CAS loc. 1661, a mile west of the Murphy house, Roaring River: Late/Upper Barremian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Myalinida - Inoceramidae
Inoceramus colonicus n. sp. Anderson 1938
Cephalopoda - Belemnitida - Belemnitidae
Acroteuthis impressa (Gabb 1864)
Cephalopoda - Megacrioceratidae
Shasticrioceras poniente Anderson 1938
Shasticrioceras hesperum n. sp. Anderson 1938
synonym of Shasticrioceras poniente
Hoplocrioceras wintunium n. sp. Anderson 1938
recombined as Shasticrioceras wintunium
Cephalopoda - Ammonitida - Crioceratitidae
Pseudocrioceras stentor n. sp. Anderson 1938
recombined as Toxoceras stentor
Cephalopoda - Ammonitida - Tetragonitidae
Lytoceras cf. argonautarum Anderson 1902
recombined as Argonauticeras argonautarum
Cephalopoda - Ammonitida - Heteroceratidae
Hemibaculites neleus Anderson 1938
Cephalopoda - Ammonitida - Acrioceratidae
Acrioceras starrkingi n. sp. Anderson 1938
recombined as Toxoceratoides starrkingi
Cephalopoda - Ammonitida - Ancyloceratidae
Ancyloceras durrelli n. sp. Anderson 1938
see common names

Geography
Country:United States State/province:California County:Shasta
Coordinates: 40.4° North, 122.7° West (view map)
Paleocoordinates:39.7° North, 72.2° West
Basis of coordinate:estimated from map
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Barremian 10 m.y. bin:Cretaceous 2
Key time interval:Late/Upper Barremian Ammonoid zone: Shasticrioceras poniente
Age range of interval:125.77000 - 121.40000 m.y. ago
Stratigraphy
Formation:Budden Canyon Member:Chickabilly
Stratigraphy comments: Lower Chickabilly Member of the Budden Canyon Formation
stages based on Fernando, et al., 2011
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:CAS
Metadata
Also known as:CAS G loc. 66323; CAS G loc. 66331; CAS G loc. 66476; CAS G loc. 66477;
Database number:225528
Authorizer:J. Marcot Enterer:J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2022-05-14 23:54:22 Last modified:2022-05-15 14:21:32
Access level:the public Released:2022-05-14 23:54:22
Creative Commons license:CC BY
Reference information

Primary reference:
56760. F. M. Anderson. 1938. Lower Cretaceous deposits in California and Oregon. Geological Society of America Special Paper 16:1-331 [M. Clapham/M. Clapham]