Where: Baja California, Mexico (27.7° N, 114.9° W: paleocoordinates 27.4° N, 113.5° 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 Cretaceous and Miocene strata. AGE: Pliocene. STRATIGRAPHIC POSITION: From unknown position within strata.
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, shelly/skeletal sandstone
Size class: macrofossils
Collected by Hanna & Jordan in 1925; reposited in the CAS
Collection methods: surface (in situ),
• COLLECTOR: G.D Hanna and E.K. Jordan, 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 97127: authorized by Austin Hendy, entered by Austin Hendy on 18.07.2010, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Epitonium sp., "Epitonium contrerasi n. sp." = Hirtoscala hindsii, "Epitonium cedrosensis n. sp." = Epitonium (Asperiscala) cedrosensis, "Epitonium dallasi n. sp." = Epitonium (Asperiscala) dallasi
Epitonium sp. Bolten 1798 wentletrap
"Epitonium contrerasi n. sp." = Hirtoscala hindsii Carpenter 1856 wentletrap
"Epitonium cedrosensis n. sp." = Epitonium (Asperiscala) cedrosensis Knight and Hertlein 1926 wentletrap
"Epitonium dallasi n. sp." = Epitonium (Asperiscala) dallasi Jordan and Herltein 1926 wentletrap | |
Turritella sp. Lamarck 1799 turret shell | |
Forreria sp., Forreria wrighti n. sp.
Forreria sp. Jousseaume 1880 murex snail
Forreria wrighti n. sp. murex snail | |
Gyrineum sp. Link 1807 triton shell | |
Natica sp. Scopoli 1777 moon snail | |
Bivalvia | |
Arca sp. Linnaeus 1758 ark | |
Anomia peruviana d'Orbigny 1846 jingle
Placunanomia hannibali n. sp. Jordan and Hertlein 1926 scallop | |
"Pecten (Plagioctenium) hakei" = Argopecten hakei, "Pecten (Plagioctenium) invalidus" = Argopecten invalidus, "Pecten (Plagioctenium) callidus" = Argopecten callidus, "Pecten (Plagioctenium) cristobalensis" = Argopecten cristobalensis, "Pecten (Plagioctenium) circularis" = Argopecten ventricosus, Lyropecten gallegosi, Lyropecten modulatus, "Pecten (Lyropecten) cerrosensis" = Lyropecten cerrosensis, Pecten (Pecten) lecontei, Pecten (Leptopecten) praevalidus n. sp., "Pecten (Leptopecten) latiauratus" = Leptopecten latiauratus, "Pecten (Leptopecten) bellilamellatus" = Leptopecten latiauratus, "Pecten (Amusium) sp." = Amusium, "Pecten (Lyropecten) subnodosus" = Nodipecten subnodosus
"Pecten (Plagioctenium) hakei" = Argopecten hakei Hertlein 1925 calico scallop
"Pecten (Plagioctenium) invalidus" = Argopecten invalidus Hanna 1924 calico scallop
"Pecten (Plagioctenium) callidus" = Argopecten callidus Hertlein 1925 calico scallop
"Pecten (Plagioctenium) cristobalensis" = Argopecten cristobalensis Hertlein 1925 calico scallop
"Pecten (Plagioctenium) circularis" = Argopecten ventricosus Sowerby 1842 calico scallop
Lyropecten gallegosi Jordan and Hertlein 1926 scallop
Lyropecten modulatus Hertlein 1925 scallop
"Pecten (Lyropecten) cerrosensis" = Lyropecten cerrosensis Gabb 1866 scallop
Pecten (Pecten) lecontei Arnold 1906 scallop
Pecten (Leptopecten) praevalidus n. sp. Jordan and Hertlein 1926 scallop
"Pecten (Leptopecten) latiauratus" = Leptopecten latiauratus Conrad 1837 scallop
"Pecten (Leptopecten) bellilamellatus" = Leptopecten latiauratus Conrad 1837 scallop
"Pecten (Amusium) sp." = Amusium Röding 1798 scallop
"Pecten (Lyropecten) subnodosus" = Nodipecten subnodosus Sowerby 1836 scallop | |
"Ostrea megodon" = Undulostrea megodon Hanley 1846 oyster
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster
Ostrea lurida Carpenter 1864 oyster | |
Chama frondosa Broderip 1835 jewel box | |
Mactra sp. Linnaeus 1767 clam | |
"Macoma kelseyi" = Macoma nasuta
"Macoma kelseyi" = Macoma nasuta Conrad 1837 tellin clam | |
Sanguinolaria sp. Lamarck 1799 clam | |
Thecostraca | |
"Balanus tintinnabulum" = Megabalanus tintinnabulum, "Balanus cf. concavus" = Concavus concavus
"Balanus tintinnabulum" = Megabalanus tintinnabulum Linnaeus 1758 barnacle SUBSPECIES: Balanus tintinnabulum coccopoma
"Balanus cf. concavus" = Concavus concavus Bronn 1831 barnacle | |
Echinoidea | |
Dendraster pentagonalis Israelsky 1923 sand dollar
Dendraster cedrosensis Israelsky 1923 sand dollar |