UCMP 337: Paleocene, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Orbitoididae
Orbitoides sp.
unclassified
? Nummulitacea indet. Blainville 1827
Nummuloid (?) sp.
Echinoidea - Spatangoida - Schizasteridae
Schizaster lecontei Merriam 1899
Dickerson 1916
Gastropoda - Turritellidae
Turritella conica Weaver 1905
replaced by Turritella polynominata
Gastropoda - Neogastropoda - Turridae
Turris monolifera (Cooper 1894)
Bela cf. clathrata Gabb 1869
synonym of Surculites mathewsonii
Gastropoda - Ficidae
Ficopsis remondii (Gabb 1864)
recombined as Ficus remondii
Gastropoda - Strombidae
Rimella canalifera (Gabb 1864)
recombined as Ectinochilus (Cowlitzia) canalifer
Gastropoda - Cassidae
Cassidaria tuberculata (Gabb 1864)
recombined as Phalium (Semicassis) tuberculiformis
Gastropoda - Ranellidae
Tritonium impressum Weaver 1905
Tritonium eocenicum Weaver 1905
Gastropoda - Opisthobranchia - Philinidae
Megistostoma striata Gabb 1864
replaced by Megistostoma gabbianum
Bivalvia - Carditida - Carditidae
Venericardia planicosta Lamarck 1801
recombined as Venericor planicosta
Bivalvia - Thraciida - Thraciidae
Thracia karquinezensis (Weaver 1905)
original and current combination Thracia karquinesensis
Bivalvia - Solenida - Solenidae
Solen parallelus Gabb 1864
recombined as Solena (Plectosolen) parallelus
Bivalvia - Cardiida - Cardiidae
Cardium cooperii Gabb 1864
synonym of Nemocardium (Nemocardium) linteum
Bivalvia - Cardiida - Tellinidae
Tellina martinezensis Weaver 1905
recombined as Tellina (Eurytellina) martinezensis
Bivalvia - Cardiida - Psammobiidae
Tellina hornii Gabb 1864
recombined as Gari (Gobraeus) hornii
Bivalvia - Mytilida - Mytilidae
Modiolus merriami (Weaver 1905)
Bivalvia - Pectinida - Propeamussiidae
Pecten interradiatus Gabb 1869
Dickerson 1916
recombined as Propeamussium interradiatum
Polychaeta - Sabellida - Serpulidae
? Spiroglyphus tejonensis Arnold 1909
recombined as Rotularia (Rotularia) tejonense
see common names

Geography
Country:United States State/province:California County:Contra Costa
Coordinates: 38.0° North, 122.2° West (view map)
Paleocoordinates:43.9° North, 100.0° West
Basis of coordinate:based on nearby landmark
Time
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
Key time interval:Paleocene
Age range of interval:66.00000 - 56.00000 m.y. ago
Stratigraphy
Formation:Martinez
Stratigraphy comments: Martinez Fm. discussed as Eocene by Dickerson 1914, but rocks now regarded as Paleocene following Stewart, Ralph, 1949, Lower Tertiary stratigraphy of Mount Diablo, Marysville Buttes, and west border of lower Central Valley of California: U.S. Geological Survey Oil and Gas Investigations Preliminary Chart, OC-34.
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:UCMP
Metadata
Database number:190773
Authorizer:P. Holroyd, J. Marcot Enterer:P. Holroyd, J. Marcot
Research group:marine invertebrate
Created:2017-12-17 22:37:22 Last modified:2017-12-17 22:37:22
Access level:the public Released:2017-12-17 22:37:22
Creative Commons license:CC BY
Reference information

Primary reference:
64128. R. E. Dickerson. 1914. Fauna of the Martinez Eocene of California. Bulletin of the Department of Geology, University of California 6:61-180 [P. Holroyd/P. Holroyd/A. Hendy]

Secondary references:

72885 R. E. Dickerson. 1916. Stratigraphy and fauna of the Tejon Eocene of California. University of California Publications Bulletin of the Department of Geology 9(17):363-524 [J. Marcot/J. Marcot]