USGS Cenozoic M996 Mooney Canyon (Miocene of the United States)

Also known as UCMP IP6671

Where: Monterey County, California (36.1° N, 120.9° W: paleocoordinates 35.8° 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 C. L. Rice in 1960

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 194806: authorized by Patricia Holroyd, entered by Susan Tremblay on 29.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Trochoidea - Turbinidae
? Margarites sp. Gray 1847 snail
 Trochoidea - Trochidae
 Neotaenioglossa - Calyptraeidae
Crucibulum "n. sp. ?" Schumacher 1817 slipper shell
Calyptraea filosa Gabb 1866 slipper shell
 Pseudomelanoidea - Pseudomelaniidae
Crassispira sp. Swainson 1840 snail
 Neogastropoda - Siphonaliidae
 Neogastropoda - Nassariidae
"Nassarius aff. californianus" = Caesia californiana
"Nassarius aff. californianus" = Caesia californiana Conrad 1856 snail
 Neogastropoda - Muricidae
Ocenebra sp. Leach in Gray 1847 murex snail
? Forreria sp. Jousseaume 1880 murex snail
Bivalvia
 Arcida - Arcidae
Anadara trilineata Conrad 1856 ark
 Mytilida - Mytilidae
Modiolus sp. Lamarck 1801 mussel
 Lucinida - Lucinidae
"Lucinisca "n. sp.? aff. nuttalli"" = Lucina (Lucinisca)
"Lucinisca "n. sp.? aff. nuttalli"" = Lucina (Lucinisca) Dall 1901 clam