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

Gastropoda
 Neogastropoda - Buccinidae
"Whitneya ficus" = Strepsidura ficus
"Whitneya ficus" = Strepsidura ficus Gabb 1864 true whelk
 Neogastropoda - Nassariidae
Fusus sp. Bruguière 1789 snail
 Neogastropoda - Drilliidae
Drillia "n. sp." Gray 1838 snail
 Neogastropoda - Turridae
"Surcula (Surculites) cf. sinuata" = Surculites sinuatus
"Surcula (Surculites) cf. sinuata" = Surculites sinuatus Gabb 1864 turrid
 Neogastropoda - Muricidae
"Tritonium whitneyi" = Muricopsis whitneyi
"Tritonium whitneyi" = Muricopsis whitneyi Gabb 1864 murex snail
 Neogastropoda - Cancellariidae
Cancellaria marysvillensis Dickerson 1916 snail
 Sorbeoconcha - Bursidae
"Fusus californicus" = Ranellina pilsbryi
"Fusus californicus" = Ranellina pilsbryi Stewart 1927 frog shell
 Sorbeoconcha - Naticidae
"Lunatia hornii" = Polinices hornii, "Neverita globosa" = Neverita (Neverita) globosa, Naticina obliqua
"Lunatia hornii" = Polinices hornii Gabb 1864 moon snail
"Neverita globosa" = Neverita (Neverita) globosa Gabb 1869 moon snail
Naticina obliqua Gabb 1864 moon snail
 Opisthobranchia - Cylichnidae
"Bulla hornii" = Abderospira hornii
"Bulla hornii" = Abderospira hornii Gabb 1864 snail
Bivalvia
 Cardiida - Veneridae
"Meretrix hornii" = Macrocallista (Costacallista) hornii, Meretrix sp., "Dosinia elevata" = Cyclinella elevata, "Meretrix ovalis" = Cyclinella elevata, Tapes cf. cretacea
"Meretrix hornii" = Macrocallista (Costacallista) hornii Gabb 1864 venus clam
Meretrix sp. Lamarck 1799 venus clam
"Dosinia elevata" = Cyclinella elevata Gabb 1864 venus clam
"Meretrix ovalis" = Cyclinella elevata Gabb 1864 venus clam
Tapes cf. cretacea Gabb 1864 venus clam
 Cardiida - Mactridae
Spisula "n. sp." Gray 1837 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
 Carditida - Crassatellidae
"Crassatellites cf. uvasana" = Crassatella uvasana
"Crassatellites cf. uvasana" = Crassatella uvasana Conrad 1855 clam
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
Shark (?) tooth