USGS Cenozoic M2278 San Lorenzo Creek (Miocene of the United States)

Also known as UCMP IP7141

Where: Monterey County, California (36.2° N, 120.9° W: paleocoordinates 35.5° N, 116.5° 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, 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 195035: authorized by Patricia Holroyd, entered by Susan Tremblay on 12.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ostreida - Ostreidae
"Ostrea atwoodi" = Ostrea (Ostrea) atwoodii
"Ostrea atwoodi" = Ostrea (Ostrea) atwoodii Gabb 1866 oyster
 Pholadida - Myidae
Cryptomya californica Conrad 1837 softshell clam
 Cardiida - Tellinidae
Macoma sp. Leach 1819 tellin clam
 Lucinida - Lucinidae
 Neogastropoda - Columbellidae
Mitrella sp. Risso 1826 snail
 Neogastropoda - Nassariidae
 Neogastropoda - Cancellariidae
"Cancellaria cf. fernandoensis" = Euclia fernandoensis
"Cancellaria cf. fernandoensis" = Euclia fernandoensis Arnold 1907 snail
 Neogastropoda - Turridae
Turricula aff. piercei Arnold 1909 turrid
 Naticoidea - Naticidae
"Neverita recluziana" = Glossaulax reclusiana
"Neverita recluziana" = Glossaulax reclusiana Deshayes 1841 moon snail
 Calyptraeoidea - Calyptraeidae
Calyptraea filosa Gabb 1866 slipper shell
Crepidula cf. adunca Sowerby 1824 slipper shell
 Sorbeoconcha - Turritellidae
Turritella "n. sp." Lamarck 1799 turret shell
T. broderipiana stock
 Sorbeoconcha - Cerithiidae
Bittium sp. Gray 1847 cerith snail
 Trochoidea - Trochidae