CAS Loc. 38742, Punta Conejo (Pleistocene of Mexico)

Where: Baja California Sur, Mexico (24.3° N, 111.5° W: paleocoordinates 24.3° N, 111.1° W)

• outcrop-level geographic resolution

When: Pleistocene (2.6 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit, for which lithostratigraphic relationships are unknown. AGE: Pleistocene, on the basis of macrofossil biostratigraphy. 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 Heyneman in 1963; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: W.R. Heyneman, 1963. 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 96586: 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.
Gastropoda
 Sorbeoconcha - Naticidae
"Polinices cf. reclusianus" = Glossaulax reclusiana
"Polinices cf. reclusianus" = Glossaulax reclusiana Deshayes 1839 moon snail
 Neogastropoda - Olividae
Oliva spicata Durham 1950 olive snail
Bivalvia
 Pectinida - Pectinoidae
"Chlamys (Nodipecten) subnodosa" = Nodipecten subnodosus, "Pecten (Oppenheimopecten) vogdesi" = Euvola vogdesi, "Chlamys (Argopecten) cricularis" = Argopecten ventricosus
"Chlamys (Nodipecten) subnodosa" = Nodipecten subnodosus Sowerby 1836 scallop
"Pecten (Oppenheimopecten) vogdesi" = Euvola vogdesi Arnold 1906 scallop
"Chlamys (Argopecten) cricularis" = Argopecten ventricosus Sowerby 1842 calico scallop
 Ostreida - Ostreidae
"Ostrea megodon" = Undulostrea megodon Hanley 1846 oyster
"Ostrea cf. corteziensis" = Crassostrea corteziensis Hertlein 1951 oyster
Crassostrea columbiensis Hanley 1846 oyster
Ostrea cf. angelica Rochebrune 1895 oyster
 Arcida - Arcidae
Anadara tuberculosa Sowerby I 1833 ark
Thecostraca
 Balanomorpha - Balanidae
Balanus (Balanus) sp. Da Costa 1778 barnacle