C.A.S. Loc. 928, Bernstein's Abalone Camp (Pliocene of Mexico)

Where: Baja California, Mexico (28.2° N, 115.3° W: paleocoordinates 27.2° N, 112.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pliocene (5.3 - 2.6 Ma)

• STRATIGRAPHIC RELATIONS: From an unknown lithostratigraphic unit, which unconformably overlies Miocene strata. AGE: Pliocene. STRATIGRAPHIC POSITION: From unknown poisition within strata.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone and lithified gravel

• SPECIFIC LITHOLOGY: Well consolidated sandstone and gravels in alternating layers of varying thickness. LITHIFICATION: Lithified, on the basis of lithologic description.

Size class: macrofossils

Collected by Hanna in 1925; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: G.D Hanna, 1925. REPOSITORY: C.A.S.

Primary reference: E. K. Jordan and L. G. Hertlein. 1926. Expedition to the Revillagigedo Islands, Mexico, in 1925, VII. Contribution to the geology and paleontology of the Tertiary of Cedros Island and adjacent parts of Lower California. Proceedings of the California Academy of Sciences 15(14):409-464 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 97124: authorized by Austin Hendy, entered by Austin Hendy on 18.07.2010, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Not an authoritative publication, with antiquated nomenclature, but with species-resolution identification.
unclassified
  -
Lagueus californicus
SUBSPECIES: Lagueus californicus vancouveriensis
Gastropoda
 Lepetellida - Haliotidae
Haliotis cf. rufescens Swainson 1822 abalone
 Epitonioidea - Epitoniidae
"Epitonium cedrosensis" = Epitonium (Asperiscala) cedrosensis
"Epitonium cedrosensis" = Epitonium (Asperiscala) cedrosensis Knight and Hertlein 1926 wentletrap
Bivalvia
 Pectinida - Anomiidae
Placunanomia hannibali Jordan and Hertlein 1926 scallop
 Pectinida - Pectinoidae
"Pecten (Plagioctenium) invalidus" = Argopecten invalidus, "Pecten (Plagioctenium) callidus" = Argopecten callidus, Pecten (Plagioctenium) mendenhalli, "Pecten (Aequipecten) percarus" = Argopecten percarus, "Pecten (Plagioctenium) cristobalensis" = Argopecten cristobalensis, "Pecten (Plagioctenium) circularis" = Argopecten ventricosus, "Pecten (Plagioctenium) subdolus" = Argopecten subdolus, "Pecten (Plagioctenium) cf. purpuratus" = Argopecten purpuratus, "Pecten (Pecten) cf. heimi" = Euvola vogdesi, "Pecten (Pecten) bellus" = Euvola bella, "Pecten (Lyropecten) cerrosensis" = Lyropecten cerrosensis, Pecten (Pecten) lecontei, "Pecten (Leptopecten) latiauritus" = Leptopecten latiauratus, "Pecten (Lyropecten) veatchii" = Nodipecten veatchii, "Pecten (Lyropecten) subnodosus" = Nodipecten subnodosus, "Pecten (Patinopecten) healeyi" = Patinopecten healeyi, "Pecten (Pecten) stearnsii" = Leopecten stearnsii, "Spondylus crassiquama" = Spondylus crassisquama
"Pecten (Plagioctenium) invalidus" = Argopecten invalidus Hanna 1924 calico scallop
"Pecten (Plagioctenium) callidus" = Argopecten callidus Hertlein 1925 calico scallop
Pecten (Plagioctenium) mendenhalli Arnold 1906 calico scallop
"Pecten (Aequipecten) percarus" = Argopecten percarus Hertlein 1925 calico scallop
"Pecten (Plagioctenium) cristobalensis" = Argopecten cristobalensis Hertlein 1925 calico scallop
"Pecten (Plagioctenium) circularis" = Argopecten ventricosus Sowerby 1842 calico scallop
"Pecten (Plagioctenium) subdolus" = Argopecten subdolus Hertlein 1925 calico scallop
"Pecten (Plagioctenium) cf. purpuratus" = Argopecten purpuratus Lamarck 1819 calico scallop
"Pecten (Pecten) cf. heimi" = Euvola vogdesi Arnold 1906 scallop
"Pecten (Pecten) bellus" = Euvola bella Conrad 1856 scallop
"Pecten (Lyropecten) cerrosensis" = Lyropecten cerrosensis Gabb 1866 scallop
Pecten (Pecten) lecontei Arnold 1906 scallop
"Pecten (Leptopecten) latiauritus" = Leptopecten latiauratus Conrad 1837 scallop
"Pecten (Lyropecten) veatchii" = Nodipecten veatchii Gabb 1866 scallop
"Pecten (Lyropecten) subnodosus" = Nodipecten subnodosus Sowerby 1836 scallop
"Pecten (Patinopecten) healeyi" = Patinopecten healeyi Arnold 1906 scallop
"Pecten (Pecten) stearnsii" = Leopecten stearnsii Dall 1878 scallop
"Spondylus crassiquama" = Spondylus crassisquama Lamarck 1819 scallop
 Ostreida - Ostreidae
"Ostrea megodon" = Undulostrea megodon, "Ostrea vespertina" = Dendostrea vespertina
"Ostrea megodon" = Undulostrea megodon Hanley 1846 oyster
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster
 Lucinida - Lucinidae
"Phacoides californica" = Phacoides californicus
"Phacoides californica" = Phacoides californicus Conrad 1837 clam
 Cardiida - Tellinidae
"Metis cf. alta" = Leporimetis obesa
"Metis cf. alta" = Leporimetis obesa Deshayes 1855 tellin clam
Rhynchonellata
 Terebratulida - Terebrataliidae
Terebratalia transversia
SUBSPECIES: Terebratalia transversia caurina
Echinoidea
 Camarodonta - Toxopneustidae
Lytechinus pictus Verrill 1867 sea urchin
 Arbacioida - Arbaciidae
Coelopleurus coronaformis Israelsky 1923 sea urchin
Arbacia incisa Agassiz 1863 sea urchin
 Clypeasteroida - Clypeasteridae
Clypeaster deserti Kew 1914 sand dollar
 Clypeasteroida - Echinarachniidae
Astrodapsis kewi n. sp. Jordan and Hertlein 1926 sand dollar
Astrodapsis israelskyi n. sp. Jordan and Hertlein 1926 sand dollar
 Clypeasteroida - Dendrasteridae
Dendraster pentagonalis Israelsky 1923 sand dollar
Dendraster pacificus Kew 1920 sand dollar
Dendraster cedrosensis Israelsky 1923 sand dollar
Dendraster gibbsii RĂ©mond 1863 sand dollar
SUBSPECIES: Dendraster gibbsii humilis
Dendraster diegoensis Kew 1920 sand dollar