USGS 14877 - Casmalia Hills [Foxen Mudstone]: Piacenzian, California
collected by W. Woodring

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula princeps Conrad 1855
Gastropoda - Neogastropoda - Nassariidae
"Nassa" waldorfensis Arnold 1908
synonym of Caesia californiana
"Nassa" waldorfensis
Gastropoda - Neogastropoda - Columbellidae
Mitrella gausapata (Gould 1850)
Gastropoda - Procerithiidae
Bittium casmaliense Bartsch 1911
recombined as Lirobittium casmaliense
Bivalvia - Pectinida - Pectinidae
Patinopecten dilleri (Dall 1901)
recombined as Lituyapecten dilleri
see common names

Geography
Country:United States State/province:California County:Santa Barbara
Coordinates: 34.9° North, 120.5° West (view map)
Paleocoordinates:34.7° North, 119.6° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Pliocene
Stage:Piacenzian 10 m.y. bin:Cenozoic 6
Key time interval:Piacenzian
Age range of interval:3.60000 - 2.58800 m.y. ago
Stratigraphy
Formation:Foxen Mudstone
Stratigraphic resolution:group of beds
Stratigraphy comments: LITHOSTRATIGRAPHY: From the Foxen Mudstone, which overlies the Sisquoc Formation (late Miocene-early Pliocene) and underlies the Careaga Formation (late Pliocene). AGE: Early-middle Pliocene, on the basis of foraminiferal and microfossil biostratigraphy.
Lithology and environment
Primary lithology: poorly lithified mudstone
Includes fossils?Y
Lithology description: LITHOLOGY: Mudstone. LITHIFICATION: Assumed on the basis of figured specimens.
Environment:offshore
Geology comments: PALEOENVIRONMENT: Established on the basis of faunal composition.
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:USNM
Collectors:W. Woodring
Collection method comments: COLLECTORS: Not reported, but assumed to be W. Woodring. REPOSITORY: Smithsonian (USNM).
Taxonomic list comments:COVERAGE: Exhaustive for macrofossils. NOMENCLATURE: Somewhat antiquated nomenclature.
Metadata
Also known as:Woodring Loc. 146; W20
Database number:189547
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2017-10-30 01:05:05 Last modified:2020-06-14 02:04:15
Access level:authorizer only Released:2019-10-30 01:05:05
Creative Commons license:CC BY
Reference information

Primary reference:

10621. W. P. Woodring and M.N. Bramlette. 1950. Geology and paleontology of the Santa Maria District California. United States Geological Survey Professional Paper 222:1-185 [A. Miller/A. Hendy/S. Ávila]