CAS Loc. 40666, San Felipe (Pliocene of Mexico)

Where: Baja California, Mexico (31.0° N, 115.1° W: paleocoordinates 30.8° N, 113.8° W)

• outcrop-level geographic resolution

When: Pliocene (5.3 - 2.6 Ma)

• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit, for which lithostratigraphic relationships are unknown. AGE: Pliocene, on the basis of macrofossil biostratigraphy; faunal compositional similarities with Imperial Fm of California. STRATIGRAPHIC POSITION: From unknown position in succession.

• bed-level stratigraphic resolution

Environment/lithology: coastal; siliciclastic sediments

• SPECIFIC LITHOLOGY: Unknown, but probably siliciclastic. LITHIFICATION: Unknown.

Size class: macrofossils

Preservation: original calcite

Collected by Childers in 1967; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: W.M. Childers, 1967. REPOSITORY: CAS.

Primary reference: L. G. Hertlein. 1968. Three late Cenozoic molluscan faunules from Baja California. with a note on diatomite from west of San Felipe. Proceedings of the the California Academy of Sciences 30(19):401-405 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 96588: authorized by Austin Hendy, entered by Austin Hendy on 13.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Not an authoritative publication, and with somewhat antiquated nomenclature, but with species-resolution identifications.
Show authors, comments, and common names
Echinoidea
 Clypeasteroida - Mellitidae
Encope tenuis
Encope tenuis Kew 1914 sand dollar
Gastropoda
 Opisthobranchia - Bullidae
Bulla cf. gouldiana
Bulla cf. gouldiana Pilsbry 1895 snail
 Cerithioidea - Turritellidae
Turritella imperialis
Turritella imperialis Hanna 1926 turret shell
 Sorbeoconcha - Naticidae
Polinices sp.
Polinices sp. Monfort 1810 moon snail
 Neogastropoda - Fasciolariidae
"Fasciolaria princeps" = Triplofusus princeps
"Fasciolaria princeps" = Triplofusus princeps Sowerby 1825 snail
 Neogastropoda - Melongenidae
Melongena patula
Melongena patula Broderip and Sowerby 1829 snail
 Sorbeoconcha - Strombidae
"Strombus cf. granulatus" = Persististrombus granulatus
"Strombus cf. granulatus" = Persististrombus granulatus Swainson 1822 true conch
 Sorbeoconcha - Cypraeidae
Cypraea sp.
Cypraea sp. Linnaeus 1758 cowry
Bivalvia
 Pectinida - Pectinoidae
"Pecten (Pecten) cf. lunaris" = Leopecten stillmani, "Pecten (Euvola) keepi" = Euvola keepi, "Chlamys (Argopecten) cf. abietis" = Argopecten abietis
"Pecten (Pecten) cf. lunaris" = Leopecten stillmani Dijkstra 1998 scallop
"Pecten (Euvola) keepi" = Euvola keepi Arnold 1906 scallop
"Chlamys (Argopecten) cf. abietis" = Argopecten abietis Jordan and Hertlein 1926 calico scallop
 Ostreida - Ostreidae
"Ostrea cf. vespertina" = Dendostrea vespertina, Crassostrea columbiensis, Ostrea cf. angelica
"Ostrea cf. vespertina" = Dendostrea vespertina Conrad 1855 oyster
Crassostrea columbiensis Hanley 1846 oyster
Ostrea cf. angelica Rochebrune 1895 oyster
 Ostreida - Gryphaeidae
"Ostrea heermanni" = Pycnodonte heermanni
"Ostrea heermanni" = Pycnodonte heermanni Conrad 1855 oyster
 Arcida - Arcidae
"Anadara multicostata" = Larkinia multicostata
"Anadara multicostata" = Larkinia multicostata Sowerby 1833 ark