UCMP 1695 (Paleocene of the United States)

Where: Contra Costa County, California (38.0° N, 122.2° W: paleocoordinates 43.9° N, 100.0° W)

• coordinate based on nearby landmark

When: Martinez Formation, Paleocene (66.0 - 56.0 Ma)

• 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.

Environment/lithology: marine; lithology not reported

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 190785: authorized by Patricia Holroyd, entered by Patricia Holroyd on 17.12.2017, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Guyniidae
"Trochocyathus zitteli" = Palaeopsammia zitteli
"Trochocyathus zitteli" = Palaeopsammia zitteli Vaughan 1900 stony coral
 Scleractinia - Flabellidae
"Flabellum remondianum" = Flabellum cuneiforme
"Flabellum remondianum" = Flabellum cuneiforme Lonsdale 1845 stony coral
Bivalvia
 Arcida - Glycymerididae
Glycymerita major Stanton 1896 clam
 Arcida - Cucullaeidae
Cucullaea mathewsonii Gabb 1864 clam
 Carditida - Crassatellidae
"Crassatellites grandis" = Crassatella uvasana, "Crassatellites stewartvillensis" = Crassatella stewartvillensis
"Crassatellites grandis" = Crassatella uvasana Conrad 1855 clam
"Crassatellites stewartvillensis" = Crassatella stewartvillensis Dickerson 1914 clam
 Cardiida - Cardiidae
"Cardium cooperi" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
 Cardiida - Tellinidae
"Tellina undulifera" = Tellina (Saulella) undulifera
"Tellina undulifera" = Tellina (Saulella) undulifera Gabb 1869 tellin clam
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium cooperi Gabb 1864 tusk shell
Gastropoda
 Sorbeoconcha - Ficidae
Urosyca caudata Gabb 1869 fig shell
 Neogastropoda - Pyropsidae
"Heteroterma striata" = Pyropsis striata
"Heteroterma striata" = Pyropsis striata Stanton 1896 snail
 Neogastropoda - Turridae
Turris sp. Röding 1798 turrid
 Neogastropoda - Melongenidae
"Neptunea mucronata" = Sycum mucronatum
"Neptunea mucronata" = Sycum mucronatum Gabb 1869 snail
 Neogastropoda - Buccinidae
"Neptunea (Tritonofusus) cretacea" = Neptunea cretacea, "Brachysphingus liratus" = Brachysphingus sinuatus
"Neptunea (Tritonofusus) cretacea" = Neptunea cretacea Gabb 1869 true whelk
"Brachysphingus liratus" = Brachysphingus sinuatus Gabb 1869 true whelk
 Sorbeoconcha - Naticidae
Amauropsis martinezensis Dickerson 1914 moon snail
"Lunatia hornii" = Polinices hornii Gabb 1864 moon snail