USGS Cenozoic M1970 Salinas Valley (Miocene of the United States)

Also known as UCMP IP6970

Where: Monterey County, California (35.9° N, 120.8° W: paleocoordinates 35.6° N, 119.0° W)

• coordinate stated in text

When: Pancho Rico Formation, Messinian (7.2 - 5.3 Ma)

• Described in reference as Pliocene. Pancho Rico Formation is Miocene per Addicott 1978 (Geological Survey Bulletin, Issue 1457). AGE: Revised to Messian consistent with EPICC stratigraphic revision [A. Hendy, 06/2020].

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by D. L Durham, W. O. Addicott in 1964

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 195032: authorized by Patricia Holroyd, entered by Susan Tremblay on 12.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neotaenioglossa - Calyptraeidae
Crepidula sp. Lamarck 1799 slipper shell
 Cerithioidea - Turritellidae
Turritella cooperi Carpenter 1864 turret shell
 Neogastropoda - Siphonaliidae
 Neogastropoda - Muricidae
Forreria belcheri Hinds 1843 murex snail
Bivalvia
 Pectinida - Pectinoidae
? Lyropecten terminus Arnold 1906 scallop
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Cardiida - Veneridae
Amiantis "n. sp.? aff. stalderi" Carpenter 1863 venus clam
 Cardiida - Tellinidae
"Florimetis biangulata" = Leporimetis obesa, "Macoma secta" = Rexithaerus secta, ? Macoma nasuta
"Florimetis biangulata" = Leporimetis obesa Deshayes 1855 tellin clam
"Macoma secta" = Rexithaerus secta Conrad 1837 tellin clam
? Macoma nasuta Conrad 1837 tellin clam
 Solenida - Solenidae
"Solen cf. perrini" = Solena (Eosolen) perrini
"Solen cf. perrini" = Solena (Eosolen) perrini Clark 1915 clam
Thecostraca
 Balanomorpha - Balanidae