LSJU loc. 23145, Cerro Gordo Spring Trail: Arnsbergian, California
collected by Kirk; C. W. Merriam;

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Plantae indet. Haeckel 1866
Merriam 1963
"Land plants (abundant, fragmentary ; one well-preserved fernlike type)"
Anthozoa - Stauriida - Hapsiphyllidae
Triplophyllites informal sp. A
Merriam 1963
Strophomenata - Productida - Productellidae
Productus informal n. sp., cf. P. semistriatus
Merriam 1963
Strophomenata - Productida - Productidae
Dictyoclostus sp. Muir-Wood 1930
Merriam 1963
"Dictyoclostus cf. D. burlingtonensis (Hall) or cf. D. fernglenensis (Weller)"
Rhynchonellata - Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
Merriam 1963
"Spirifer cf. S. brazerianus Girty or cf. S. grimes Hall"
Spirifer cf. pellaensis Weller 1914
Merriam 1963
Bivalvia - Ostreida - Pterineidae
Caneyella informal n. sp., cf. C. richardsoni
Merriam 1963
Caneyella wapanuckensis Girty 1909
Merriam 1963
Cephalopoda - Goniatitida
Goniatitida indet. Hyatt 1884
Merriam 1963
"Small goniatite with narrow venter; genus indeterminate"
Cephalopoda - Goniatitida - Glaphyritidae
Cravenoceras cf. richardsonianum (Girty 1909)
Merriam 1963
Cravenoceras cf. nevadense Miller and Furnish 1940
Merriam 1963
Cephalopoda - Goniatitida - Cravenoceratidae
Cravenoceratoides cf. nititoides (Bisat 1932)
Cephalopoda - Goniatitida - Girtyoceratidae
Eumorphoceras bisulcatum Girty 1909
USGS locs. 23145, 10403-PC, 15334-PC, and 15335-PC
Cephalopoda - Nautilida
Nautilida indet. Agassiz 1847
Merriam 1963
"?Nautilus sp. (large form. possibly a Liroceras)"
Cephalopoda - Bactritida - Bactritidae
? Bactrites cf. carbonarius Smith 1903
Cephalopoda - Orthocerida
Orthocerida indet. Kuhn 1940
as Orthoceracone indet.
Chondrichthyes
Chondrichthyes indet. Huxley 1880
Merriam 1963
"Shark teeth (coarsely serrated edge, 3/4 in. long)"
see common names

Geography
Country:United States State/province:California County:Inyo
Coordinates: 36.6° North, 117.8° West (view map)
Paleocoordinates:3.0° North, 47.2° West
Basis of coordinate:estimated from map
Time
Period: Carboniferous Epoch: Mississippian
Stage: Serpukhovian 10 m.y. bin: Carboniferous 3
Key time interval: Arnsbergian
Age range of interval: 327.4 - 324 m.y. ago
Stratigraphy
Formation:Rest Spring
Stratigraphy comments: originally indicated as "White Pine Shale (Chainman Shale)" Late Arnsbergian age from Titus 2000
Lithology and environment
Primary lithology:ferruginous,black,gray metamorphosed "shale"
Includes fossils?Y
Lithology description: "grayish-black slightly altered shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:CAS,USGS
Collectors:Kirk; C. W. Merriam;
Metadata
Also known as:Cerro Gordo Pipeline Trail; USGS loc. 10403-PC; USGS loc. 15336-PC; USGS loc. 15335-PC; Locality 22 of Merriam 1963
Database number:220592
Authorizer:J. Marcot Enterer:J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2021-06-10 12:38:44 Last modified:2022-07-07 17:33:23
Access level:the public Released:2021-06-10 12:38:44
Creative Commons license:CC BY
Reference information

Primary reference:

70706. M. Gordon, Jr. 1964. California Carboniferous cephalopods. United States Geological Survey Professional Paper 483-A:A1-A27 [J. Marcot/J. Marcot/J. Marcot]

Secondary references:

82093 C. W. Merriam. 1963. Geology of the Cerro Gordo mining district, Inyo County, California. United States Geological Survey Professional Paper 408:1-83 [J. Marcot/J. Marcot]