C.A.S. Loc. 945, Turtle Bay: Pliocene, Mexico
collected by Hanna & Jordan 1925

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Clypeasteroida - Dendrasteridae
Dendraster cedrosensis Israelsky 1923
Dendraster pentagonalis Israelsky 1923
Gastropoda - Epitoniidae
Epitonium sp. Bolten 1798
Epitonium dallasi n. sp. Jordan and Herltein 1926
recombined as Epitonium (Asperiscala) dallasi
Epitonium cedrosensis n. sp. Knight and Hertlein 1926
recombined as Epitonium (Asperiscala) cedrosensis
Epitonium contrerasi n. sp. Jordan and Hertlein 1926
synonym of Hirtoscala hindsii
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
Gastropoda - Naticidae
Natica sp. Scopoli 1777
Gastropoda - Ranellidae
Gyrineum sp. Link 1807
Gastropoda - Neogastropoda - Muricidae
Forreria sp. Jousseaume 1880
Forreria wrighti n. sp.
Bivalvia - Cardiida - Chamidae
Chama frondosa Broderip 1835
Bivalvia - Cardiida - Mactridae
Mactra sp. Linnaeus 1767
Bivalvia - Cardiida - Psammobiidae
Sanguinolaria sp. Lamarck 1799
Bivalvia - Cardiida - Tellinidae
Macoma kelseyi Dall 1900
synonym of Macoma nasuta
Bivalvia - Pectinida - Pectinidae
Lyropecten gallegosi (Jordan and Hertlein 1926)
Smith 1991
Pecten (Lyropecten) cerrosensis (Gabb 1866)
recombined as Lyropecten cerrosensis
Lyropecten modulatus (Hertlein 1925)
Smith 1991
Pecten (Plagioctenium) callidus Hertlein 1925
recombined as Argopecten callidus
Pecten (Plagioctenium) invalidus (Hanna 1924)
recombined as Argopecten invalidus
Pecten (Plagioctenium) circularis (Sowerby 1835)
synonym of Argopecten ventricosus
Pecten (Plagioctenium) cristobalensis Hertlein 1925
recombined as Argopecten cristobalensis
Pecten (Plagioctenium) hakei Hertlein 1925
recombined as Argopecten hakei
Pecten (Pecten) lecontei Arnold 1906
Pecten (Lyropecten) subnodosus Sowerby 1836
recombined as Nodipecten subnodosus
Pecten (Leptopecten) latiauratus (Conrad 1837)
recombined as Leptopecten latiauratus
Pecten (Leptopecten) bellilamellatus Arnold 1906
synonym of Leptopecten latiauratus
Pecten (Leptopecten) praevalidus n. sp. Jordan and Hertlein 1926
Pecten (Amusium) sp. (Röding 1798)
corrected as Amusium
Bivalvia - Pectinida - Anomiidae
Anomia peruviana d'Orbigny 1846
Placunanomia hannibali n. sp. Jordan and Hertlein 1926
Bivalvia - Ostreida - Ostreidae
Ostrea lurida Carpenter 1864
Ostrea megodon Hanley 1846
recombined as Undulostrea megodon
Ostrea vespertina Conrad 1855
recombined as Dendostrea vespertina
Bivalvia - Arcida - Arcidae
Arca sp. Linnaeus 1758
Thecostraca - Balanomorpha - Balanidae
Balanus cf. concavus Bronn 1831
recombined as Concavus concavus
Balanus tintinnabulum Linnaeus 1758
recombined as Megabalanus tintinnabulum
SUBSPECIES: Balanus tintinnabulum coccopoma
see common names

Geography
Country:Mexico State/province:Baja California
Coordinates: 27.7° North, 114.9° West (view map)
Paleocoordinates:27.4° North, 113.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Pliocene
10 m.y. bin:Cenozoic 6
Key time interval:Pliocene
Age range of interval:5.33300 - 2.58000 m.y. ago
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an unknown lithostratigraphic unit, which unconformably overlies Cretaceous and Miocene strata. AGE: Pliocene. STRATIGRAPHIC POSITION: From unknown position within strata.
Lithology and environment
Primary lithology:shelly/skeletal poorly lithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Soft to moderately indurated sandstones, abundantly fossiliferous throughout. LITHIFICATION: Poorly lithified, on the basis of lithologic description.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:CAS
Collectors:Hanna & Jordan Collection dates:1925
Collection method comments: COLLECTOR: G.D Hanna and E.K. Jordan, 1925. REPOSITORY: C.A.S.
Taxonomic list comments:COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Not an authoritative publication, with antiquated nomenclature, but with species-resolution identification.
Metadata
Database number:97127
Authorizer:A. Hendy, J. Marcot Enterer:A. Hendy, J. Marcot
Research group:marine invertebrate
Created:2010-07-18 10:45:17 Last modified:2013-11-25 13:37:23
Access level:the public Released:2010-07-18 10:45:17
Creative Commons license:CC BY
Reference information

Primary reference:
33145. 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]

Secondary references:

77493 J. T. Smith. 1991. Cenozoic giant pectinids from California and the Tertiary Caribbean Province; Lyropecten, "Macrochlamis," Vertipecten, and Nodipecten species. United States Geological Survey Professional Paper 1391:1-155 [J. Marcot/J. Marcot]