F108 - Santa Ana Mountains [Santiago Fm]: Lutetian, California
collected by Kinney

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Nuculanida - Nuculanidae
Bivalvia - Arcida - Glycymerididae
? Glycymeris sp. Da Costa 1778
Bivalvia - Cardiida - Veneridae
Bivalvia - Cardiida - Cardiidae
Gastropoda - Turritellidae
Gastropoda - Naticidae
? Neverita sp. Risso 1826
Gastropoda - Xenophoridae
Gastropoda - Strombidae
Gastropoda - Neogastropoda - Turridae
Gastropoda - Neogastropoda - Conidae
Gastropoda - Neogastropoda - Buccinidae
Gastropoda - Neogastropoda - Fasciolariidae
Gastropoda - Neogastropoda - Olividae
? Ancilla sp. Lamarck 1799
Gastropoda - Cassidae
? Galeodea sp. Link 1807
Gastropoda - Opisthobranchiata - Retusidae
? Cylichnina sp. Monterasato 1884
Gastropoda - Opisthobranchiata - Cylichnidae
see common names

Geography
Country:United States State/province:California County:Orange
Coordinates: 33.8° North, 117.8° West (view map)
Paleocoordinates:39.0° North, 96.0° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Altitude:85 meters
Geographic resolution:outcrop
Time
Period: Paleogene Epoch: Eocene
Stage: Lutetian 10 m.y. bin: Cenozoic 2
Key time interval: Lutetian
Age range of interval: 48.07 - 41.03 m.y. ago
Stratigraphy
Formation:Santiago
Stratigraphic resolution:bed
Stratigraphy comments: LITHOSTRATIGRAPHIC RELATIONS: From the Santiago Fm, which overlies the Silverado Fm (Paleocene) and is overlain by the Sespe and Vaqueros Fms (Eocene-E. Miocene). AGE: Middle Eocene, on the basis of molluscan and foraminiferal biostratigraphy; from the Ulatisian Stage of Mallory (1959), on the basis of benthic forams and the Discosaster sublodoensis nannoplankton zone (Poore, 1976).
Lithology and environment
Primary lithology:pebbly lithified sandstone
Secondary lithology:concretionary lithified siltstone
Includes fossils?Y
Includes fossils?Y
Lithology description: LITHOLOGY: Pebbly sandstone, conglomerate, sandstone and siltstone. LITHIFICATION: Lithified, on the basis of facies description (in text).
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow marine environment.
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:USGS
Collectors:Kinney
Collection method comments: COLLECTORS: D.M. Kinney. REPOSITORY: USGS.
Taxonomic list comments:COVERAGE: Exhaustive for mollusca and other macrofossil groups. NOMENCLATURE: Not an authoritative publication, but with relatively modern nomenclature and species-resolution identifications.
Metadata
Also known as:USGS#18999
Database number:94826
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:G. Varnham Research group:marine invertebrate
Created:2010-03-29 13:33:56 Last modified:2025-02-22 15:12:02
Access level:the public Released:2010-03-29 13:33:56
Creative Commons license:CC0
Reference information

Primary reference:
3060. J. E. Schoellhamer, J. G. Vedder, R. F. Yerkes and D. M. Kinney. 1981. Geology of the Northern Santa Ana Mountains, California. United States Geological Survey Professional Paper 420(D):1-109 [J. Alroy/J. Alroy/R. McClees-Funinan]