PBDB Collection

USGS Cenozoic M980 Pancho Rico Creek (Miocene of the United States)

Also known as UCMP IP6657, USGS Cenozoic M1929

Where: Monterey County, California (36.0° N, 120.9° W: paleocoordinates 35.7° 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 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 194803: 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 arnoldi Astrodapsis arnoldi Clark and Twitchell 1915 sand dollar Occurrence in collection numbered M1966 from same locality.
Gastropoda
Trochoidea - Trochidae	? Calliostoma aff. cammani, Calliostoma sp. ? Calliostoma aff. cammani top snail Calliostoma sp. Swainson 1840 top snail Occurrence in collection numbered M1966 from same locality.
Neotaenioglossa - Calyptraeidae	Crepidula sp., Crepidula cf. onyx, Crepidula nummaria, Calyptraea sp., Crucibulum "n. sp. ?" Crepidula sp. Lamarck 1799 slipper shell Crepidula cf. onyx Sowerby 1824 slipper shell Occurrence in collection numbered M1966 from same locality. Crepidula nummaria Gould 1846 slipper shell Occurrence in collection numbered M1966 from same locality. Calyptraea sp. Lamarck 1799 slipper shell Occurrence in collection numbered M1966 from same locality. Crucibulum "n. sp. ?" Schumacher 1817 slipper shell Occurrence in collection numbered M1966 from same locality.
Pseudomelanoidea - Pseudomelaniidae	Crassispira sp. Crassispira sp. Swainson 1840 snail
Cerithioidea - Turritellidae	Turritella "n. sp.?", Turritella vanvlecki, Turritella cooperi Turritella "n. sp.?" Lamarck 1799 turret shell Occurrence in collection numbered M1966 from same locality. Turritella vanvlecki Arnold 1909 turret shell Turritella cooperi Carpenter 1864 turret shell Occurrence in collection numbered M1966 from same locality.
Cerithioidea - Cerithiidae	Bittium sp. Bittium sp. Gray 1847 cerith snail
Neogastropoda - Muricidae	Forreria belcheri, "? Ocenebra cf. tenuisculpta" = Ocinebrina tenuisculpta Forreria belcheri Hinds 1843 murex snail Occurrence in collection numbered M1966 from same locality. "? Ocenebra cf. tenuisculpta" = Ocinebrina tenuisculpta Carpenter 1866 murex snail
Neogastropoda - Siphonaliidae	Calicantharus kettlemanensis, Calicantharus cf. fortis Calicantharus kettlemanensis snail two forms; occurrence in collection numbered M1966 from same locality. Calicantharus cf. fortis Carpenter 1866 snail two forms; occurrence in collection numbered M1966 from same locality.
Neogastropoda - Columbellidae	? Mitrella gausapata ? Mitrella gausapata Gould 1850 snail
Neogastropoda - Cancellariidae	"Cancellaria cf. fernandoensis" = Euclia fernandoensis "Cancellaria cf. fernandoensis" = Euclia fernandoensis Arnold 1907 snail Occurrence in collection numbered M1966 from same locality.
Neogastropoda - Turridae	Megasurcula "n. sp. aff. wynoocheensis" Megasurcula "n. sp. aff. wynoocheensis" Casey 1904 turrid
Neogastropoda - Drilliidae	? Elaeocyma empyrosia, Clavus coalingensis ? Elaeocyma empyrosia Dall 1899 snail Clavus coalingensis Arnold 1909 snail
Sorbeoconcha - Naticidae	"Neverita recluziana" = Glossaulax reclusiana "Neverita recluziana" = Glossaulax reclusiana Deshayes 1839 moon snail
Sorbeoconcha - Procerithiidae	"Bittium casmaliense" = Lirobittium casmaliense "Bittium casmaliense" = Lirobittium casmaliense Bartsch 1911 snail
Bivalvia
Lucinida - Lucinidae	"Lucinisca "n. sp.? aff. nuttalli"" = Lucina (Lucinisca), Here excavata "Lucinisca "n. sp.? aff. nuttalli"" = Lucina (Lucinisca) Dall 1901 clam Here excavata Carpenter 1857 clam Occurrence in collection numbered M1966 from same locality.
Hiatellida - Hiatellidae	"Panope abrupta" = Panopea abrupta "Panope abrupta" = Panopea abrupta Conrad 1849 clam
Solenida - Solenidae	"Solen perrini" = Solena (Eosolen) perrini "Solen perrini" = Solena (Eosolen) perrini Clark 1915 clam
Pholadida - Pholadidae	Zirfaea pilsbryi Zirfaea pilsbryi Lowe 1931 clam Occurrence in collection numbered M1966 from same locality.
Pholadida - Myidae	Cryptomya californica, "Mya cf. arenaria" = Mya (Arenomya) arenaria Cryptomya californica Conrad 1837 softshell clam Occurrence in collection numbered M1966 from same locality. "Mya cf. arenaria" = Mya (Arenomya) arenaria Linnaeus 1758 softshell clam
Cardiida - Veneridae	"Protothaca tenerrima" = Callithaca tenerrima, "Protothaca cf. laciniata" = Leukoma laciniata, "? Transenella tantilla" = Nutricola tantilla "Protothaca tenerrima" = Callithaca tenerrima Carpenter 1857 venus clam "Protothaca cf. laciniata" = Leukoma laciniata Carpenter 1864 venus clam subsp. hannibali "? Transenella tantilla" = Nutricola tantilla Gould 1853 venus clam
Cardiida - Mactridae	"Spisula mercedensis" = Mactromeris catilliformis, "Tresus nuttalli" = Tresus nuttallii "Spisula mercedensis" = Mactromeris catilliformis Conrad 1867 clam "Tresus nuttalli" = Tresus nuttallii Conrad 1837 clam
Cardiida - Tellinidae	"Florimetis biangulata" = Leporimetis obesa, Macoma nasuta "Florimetis biangulata" = Leporimetis obesa Deshayes 1855 tellin clam Macoma nasuta Conrad 1837 tellin clam
Arcida - Arcidae	Anadara trilineata Anadara trilineata Conrad 1856 ark
Ostreida - Ostreidae	"Ostrea atwoodi" = Ostrea (Ostrea) atwoodii "Ostrea atwoodi" = Ostrea (Ostrea) atwoodii Gabb 1866 oyster
Pectinida - Pectinoidae	Lyropecten terminus Lyropecten terminus Arnold 1906 scallop