F109 - Santa Ana Mountains [Santiago Fm]: Lutetian, California
collected by Kinney

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Mytilida - Mytilidae
Brachidontes cf. cowlitzensis (Weaver and Palmer 1922)
Bivalvia - Cardiida - Cardiidae
Acanthocardia (Schedocardia) sp. (Stewart 1930)
Nemocardium cf. linteum (Conrad 1855)
recombined as Nemocardium (Nemocardium) linteum
Bivalvia - Cardiida - Tellinidae
Tellina cf. soledadensis Hanna 1927
Bivalvia - Cardiida - Veneridae
Pitar (Calpitaria) cf. campi
Bivalvia - Pholadida - Corbulidae
Corbula sp. Bruguière 1789
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea cf. diegoana (Conrad 1855)
Gastropoda - Ficidae
Ficopsis remondii (Gabb 1864)
recombined as Ficus remondii
SUBSPECIES: Ficopsis remondii crescentensis
Gastropoda - Neogastropoda - Muricidae
Pseudoperissolax cf. blakei (Conrad 1855)
SUBSPECIES: Pseudoperissolax cf. blakei praeblakei
Gastropoda - Neogastropoda - Conidae
Conus cf. remondii Gabb 1864
Gastropoda - Cassidae
Coalingodea tuberculiformis (Gabb 1864)
Gastropoda - Naticidae
Tejonia cf. lajollaensis (Stewart 1927)
synonym of Amaurellina moragai
Gastropoda - Turritellidae
Turritella cf. buwaldana Dickerson 1916
see common names

Geography
Country:United States State/province:California County:Orange
Coordinates: 33.8° North, 117.8° West (view map)
Paleocoordinates:34.5° North, 103.7° West
Basis of coordinate:based on nearby landmark
Altitude:130 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:47.80000 - 41.30000 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#19000
Database number:94827
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:G. Varnham Research group:marine invertebrate
Created:2010-03-29 13:34:47 Last modified:2022-05-05 05:54:35
Access level:the public Released:2010-03-29 13:34:47
Creative Commons license:CC BY
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]