USGS Cenozoic M903 San Lucas Quad (Miocene of the United States)

Also known as UCMP IP6633

Where: Monterey County, California (36.1° N, 121.0° W: paleocoordinates 35.8° N, 119.1° 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 1959, 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 194796: 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 - Dendrasteridae
Dendraster sp.
Dendraster sp. Agassiz and Desor 1847 sand dollar
 Clypeasteroida - Echinarachniidae
? Astrodapsis sp., Astrodapsis cf. fernandoensis, Astrodapsis cf. spatiosus
? Astrodapsis sp. Conrad 1856 sand dollar
Astrodapsis cf. fernandoensis Pack 1909 sand dollar
Astrodapsis cf. spatiosus Kew 1920 sand dollar
Gastropoda
 Trochoidea - Trochidae
"Calliostoma coalingense" = Calliostoma coalingensis
"Calliostoma coalingense" = Calliostoma coalingensis Arnold 1909 top snail
 Neotaenioglossa - Calyptraeidae
Calyptraea sp.
Calyptraea sp. Lamarck 1799 slipper shell
 Cerithioidea - Turritellidae
Turritella cooperi
Turritella cooperi Carpenter 1864 turret shell
 Epitonioidea - Epitoniidae
Epitonium cf. eelense
Epitonium cf. eelense Durham 1937 wentletrap
 Neogastropoda - Muricidae
Ocenebra cierboensis, Ocenebra "n. sp. A", Acanthina "n. sp.", Forreria cf. coalingensis, ? Forreria belcheri, Ceratostoma foliatum, Ceratostoma nuttalli, Thais collomi
Ocenebra "n. sp. A" Leach in Gray 1847 murex snail
Acanthina "n. sp." Fischer de Waldheim 1807 unicorn
? Forreria belcheri Hinds 1843 murex snail
Ceratostoma foliatum Gmelin 1791 murex snail
Ceratostoma nuttalli Conrad 1837 murex snail
Thais collomi Carson 1926 murex snail
 Neogastropoda - Turridae
? Megasurcula "n. sp. aff. wynoocheensis"
Bivalvia
 Lucinida - Lucinidae
Miltha sp.
Miltha sp. Adams and Adams 1857 clam
 Hiatellida - Hiatellidae
"Panope abrupta" = Panopea abrupta
"Panope abrupta" = Panopea abrupta Conrad 1849 clam
 Cardiida - Veneridae
"Chione cf. fernandoensis" = Chione (Securella) securis fernandoensis
"Chione cf. fernandoensis" = Chione (Securella) securis fernandoensis English 1914 venus clam
 Cardiida - Tellinidae
"Tellina cf. idae" = Idatellina idae
"Tellina cf. idae" = Idatellina idae Dall 1891 tellin clam
 Mytilida - Mytilidae
Mytilus sp.
Mytilus sp. Linnaeus 1758 mussel
 Arcida - Glycymerididae
Glycymeris sp.
Glycymeris sp. Da Costa 1778 clam
 Ostreida - Pinnidae
Atrina sp.
Atrina sp. Gray 1842 oyster
 Pectinida - Limidae
"Lima cf. hemphilli" = Limaria hemphilli
"Lima cf. hemphilli" = Limaria hemphilli Hertlein and Strong 1946 file clam
 Pectinida - Anomiidae
? Anomia sp.
? Anomia sp. Linnaeus 1758 jingle
 Pectinida - Pectinoidae
"Lyropecten cf. estrellanus" = Nodipecten estrellanus, Chlamys sp.
"Lyropecten cf. estrellanus" = Nodipecten estrellanus Conrad 1856 scallop
Chlamys sp. Röding 1798 scallop