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 35.9° 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 195035: authorized by Patricia Holroyd, entered by Susan Tremblay on 12.07.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Trochoidea - Trochidae
Calliostoma etchegoinense
 Cerithioidea - Cerithiidae
Bittium sp.
Bittium sp. Gray 1847 cerith snail
 Cerithioidea - Turritellidae
Turritella "n. sp."
Turritella "n. sp." Lamarck 1799 turret shell
T. broderipiana stock
 Neotaenioglossa - Calyptraeidae
Crepidula cf. adunca, Calyptraea filosa
Crepidula cf. adunca Sowerby 1824 slipper shell
Calyptraea filosa Gabb 1866 slipper shell
 Sorbeoconcha - Naticidae
"Neverita recluziana" = Glossaulax reclusiana
"Neverita recluziana" = Glossaulax reclusiana Deshayes 1839 moon snail
 Neogastropoda - Columbellidae
Mitrella sp.
Mitrella sp. Risso 1826 snail
 Neogastropoda - Nassariidae
Nassarius cf. salinasensis, ? Nassarius grammatus
Nassarius cf. salinasensis Addicott 1965 snail
? Nassarius grammatus Dall 1917 snail
 Neogastropoda - Cancellariidae
"Cancellaria cf. fernandoensis" = Euclia fernandoensis
"Cancellaria cf. fernandoensis" = Euclia fernandoensis Arnold 1907 snail
 Neogastropoda - Clavatulidae
Turricula aff. piercei
Turricula aff. piercei Arnold 1909 snail
 Pseudomelanoidea - Pseudomelaniidae
Crassispira "n. sp.? aff. martinensis"
Bivalvia
 Ostreida - Ostreidae
"Ostrea atwoodi" = Ostrea (Ostrea) atwoodii
"Ostrea atwoodi" = Ostrea (Ostrea) atwoodii Gabb 1866 oyster
 Cardiida - Tellinidae
Macoma sp.
Macoma sp. Leach 1819 tellin clam
 Pholadida - Myidae
Cryptomya californica
Cryptomya californica Conrad 1837 softshell clam
 Lucinida - Lucinidae
"Lucinisca "n. sp.? aff. nuttalli"" = Lucina (Lucinisca)
"Lucinisca "n. sp.? aff. nuttalli"" = Lucina (Lucinisca) Dall 1901 clam