USGS Cenozoic M1676 Salinas River (Miocene of the United States)

Also known as UCMP IP6839

Where: Monterey County, California (36.0° N, 120.9° W: paleocoordinates 35.2° N, 116.6° W)

• coordinate stated in text

When: Pancho Rico Formation, Miocene (23.0 - 5.3 Ma)

• Described in reference as Pliocene. Pancho Rico Formation is Miocene per Addicott 1978 (Geological Survey Bulletin, Issue 1457).

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by D. L Durham, D. C. Wiese in 1962

Primary reference: D. L. Durham and W. O. Addicott. 1965. Pancho Rico Formation, Salinas Valley. United States Geological Survey Professional Paper 524(A):A1-A22 [P. Holroyd/S. Tremblay]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 194891: authorized by Patricia Holroyd, entered by Susan Tremblay on 06.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sessilia - Balanidae
 Pectinida - Pectinoidae
 Cardiida - Mactridae
? Tresus sp. Gray 1853 clam
Spisula sp. Gray 1837 clam
 Cardiida - Ungulinidae
Diplodonta sp. Bronn 1831 clam
 Cardiida - Veneridae
"Protothaca cf. lacinata" = Leukoma, "Protothaca tenerrima" = Callithaca tenerrima, Saxidomus nuttalli, "Transenella sp." = Transennella
"Protothaca cf. lacinata" = Leukoma venus clam
"Protothaca tenerrima" = Callithaca tenerrima Carpenter 1857 venus clam
Saxidomus nuttalli Conrad 1837 venus clam
"Transenella sp." = Transennella Dall 1884 venus clam
 Cardiida - Tellinidae
"Florimetis biangulata" = Psammotreta (Leporimetis) obesa, "? Tellina cf. lutea" = Tellina (Megangulus) lutea, Macoma nasuta
"Florimetis biangulata" = Psammotreta (Leporimetis) obesa Deshayes 1855 tellin clam
"? Tellina cf. lutea" = Tellina (Megangulus) lutea Gray 1828 tellin clam
Macoma nasuta Conrad 1837 tellin clam
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
 Lucinida - Lucinidae
 Ptenoglossa - Epitoniidae
"Epitonium (Cirsotrema) sp." = Cirsotrema
"Epitonium (Cirsotrema) sp." = Cirsotrema Mörch 1852 wentletrap
  - Siphonaliidae
 Neogastropoda - Nassariidae
"Nassarius aff. californianus" = Nassarius (Demondia) californianus
"Nassarius aff. californianus" = Nassarius (Demondia) californianus Conrad 1856 snail
 Mesogastropoda - Naticidae
Neverita sp. Risso 1826 moon snail
 Calyptraeoidea - Calyptraeidae
Calyptraea sp. Lamarck 1799 slipper shell
Crepidula cf. princeps Conrad 1855 slipper shell
 Sorbeoconcha - Turritellidae
Turritella cooperi Carpenter 1864 turret shell
forma nova
 Trochoidea - Trochidae