UCMP 785 (Eocene of the United States)

Where: Lake County, California (38.9° N, 122.6° W: paleocoordinates 41.0° N, 107.1° W)

• coordinate based on nearby landmark

When: Tejon Formation, Eocene (56.0 - 33.9 Ma)

Environment/lithology: marine; sandstone

• coarse gray to white, conglomeritic concretionary sandstone

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 190801: authorized by Patricia Holroyd, entered by Patricia Holroyd on 18.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Bivalvia
 Carditida - Crassatellidae
"Crassatellites cf. uvasana" = Crassatella uvasana
"Crassatellites cf. uvasana" = Crassatella uvasana Conrad 1855 clam
 Cardiida - Mactridae
Spisula "n. sp." Gray 1837 clam
 Cardiida - Veneridae
Tapes cf. cretacea Gabb 1864 venus clam
Dosinia elevata Gabb 1864 venus clam
Meretrix sp. Lamarck 1799 venus clam
Meretrix ovalis Gabb 1864 venus clam
Meretrix hornii Gabb 1864 venus clam
 Cardiida - Tellinidae
"Tellina longa" = Tellina (Angulus) longa
"Tellina longa" = Tellina (Angulus) longa Gabb 1864 tellin clam
 Cardiida - Psammobiidae
"Psammobia hornii" = Gari (Gobraeus) hornii
"Psammobia hornii" = Gari (Gobraeus) hornii Gabb 1864 clam
 Solenida - Solenidae
"Solen parallelus" = Solena (Plectosolen) parallelus
"Solen parallelus" = Solena (Plectosolen) parallelus Gabb 1864 clam
Gastropoda
 Opisthobranchia - Bullidae
Bulla hornii Gabb 1864 snail
 Neogastropoda -
Whitneya ficus Gabb 1864 snail
 Neogastropoda - Fasciolariidae
"Tritonium whitneyi" = Latirus whitneyi
"Tritonium whitneyi" = Latirus whitneyi Gabb 1864 snail
 Neogastropoda - Cancellariidae
 Neogastropoda - Drilliidae
Drillia "n. sp." Gray 1838 snail
 Neogastropoda - Turridae
 Stromboidea - Strombidae
"Fusus sp." = Rostellaria (Fusus)
"Fusus sp." = Rostellaria (Fusus) Bruguière 1789 true conch
 Naticoidea - Naticidae
Naticina obliqua Gabb 1864 moon snail
"Lunatia hornii" = Polinices (Euspira) hornii Gabb 1864 moon snail
Neverita globosa Gabb 1868 moon snail
 Tonnoidea - Bursidae
"Fusus californicus" = Ranellina pilsbryi
"Fusus californicus" = Ranellina pilsbryi Stewart 1927 frog shell
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
Shark (?) tooth