PBDB Collection

USGS Cenozoic M982 Wunpost (Miocene of the United States)

Also known as UCMP IP6659

Where: Monterey County, California (35.9° N, 120.8° W: paleocoordinates 35.2° 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 J. G. Vedder and C. A. Repenning 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 194805: authorized by Patricia Holroyd, entered by Susan Tremblay on 29.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Echinoidea
Clypeasteroida - Echinarachniidae	Astrodapsis aff. cuyamuanus, Astrodapsis fernandoensis, "Astrodapsis salinasensis" = Astrodapsis spatiosus Astrodapsis aff. cuyamuanus sand dollar Occurrence at loc. Ml674 about 500 feet S. of M982 and somewhat higher stratigraphically. Astrodapsis fernandoensis Pack 1909 sand dollar "Astrodapsis salinasensis" = Astrodapsis spatiosus Kew 1920 sand dollar
Gastropoda
Trochoidea - Trochidae	Calliostoma sp. Calliostoma sp. Swainson 1840 top snail
Neotaenioglossa - Calyptraeidae	Calyptraea sp. Calyptraea sp. Lamarck 1799 slipper shell
Pseudomelanoidea - Pseudomelaniidae	Crassispira aff. martinensis Crassispira aff. martinensis snail Crassispira n. sp.? aff. martinensis
Cerithioidea - Turritellidae	Turritella gonostoma Turritella gonostoma Valenciennes 1832 turret shell subsp. hemphilli
Neogastropoda - Siphonaliidae	Calicantharus sp. Calicantharus sp. Clark 1938 snail
Neogastropoda - Nassariidae	"Nassarius aff. californianus" = Caesia californiana "Nassarius aff. californianus" = Caesia californiana Conrad 1856 snail
Neogastropoda - Turridae	Megasurcula aff. wynoocheensis Megasurcula aff. wynoocheensis Weaver 1912 turrid Megasurcula n. sp. aff. wynoocheensis
Sorbeoconcha - Procerithiidae	"Bittium casmaliense" = Lirobittium casmaliense "Bittium casmaliense" = Lirobittium casmaliense Bartsch 1911 snail two forms
Bivalvia
Carditida - Carditidae	"Cyclocardia californica" = Coanicardita californica "Cyclocardia californica" = Coanicardita californica Dall 1903 clam
Solenida - Pharidae	"Siliqua cf. media" = Siliqua alta "Siliqua cf. media" = Siliqua alta Broderip and Sowerby I 1829 clam
Cardiida - Ungulinidae	Diplodonta sp. Diplodonta sp. Bronn 1831 clam
Cardiida - Cardiidae	"? Trachycardium quadragenarium" = Dallocardia quadragenarium "? Trachycardium quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle
Cardiida - Tellinidae	? Macoma nasuta ? Macoma nasuta Conrad 1837 tellin clam
Arcida - Arcidae	Anadara trilineata Anadara trilineata Conrad 1856 ark forma canalis
Ostreida - Ostreidae	"Ostrea atwoodi" = Ostrea (Ostrea) atwoodii "Ostrea atwoodi" = Ostrea (Ostrea) atwoodii Gabb 1866 oyster
Pectinida - Pectinoidae	Lyropecten cf. terminus Lyropecten cf. terminus Arnold 1906 scallop
Scaphopoda
Dentaliida - Dentaliidae	? Dentalium sp. ? Dentalium sp. Linnaeus 1758 tusk shell