USGS loc. 4473, Waldorf Asphalt Mine, Casmalia Hills: Piacenzian, California
collected by W. Woodring

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Thecostraca - Balanomorpha - Balanidae
Gastropoda - Ranellidae
Bivalvia - Pectinida - Pectinidae
Bivalvia - Nuculanida - Nuculanidae
Arnold 1908
Saccella cellulita (Dall 1896)
Bivalvia - Pectinida - Pectinidae
Chlamys hastatus (Sowerby 1842)
Bivalvia - Ostreida - Ostreidae
Bivalvia - Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778
Bivalvia - Arcida - Arcidae
Bivalvia - Mytilida - Mytilidae
Volsella cf. capax (Conrad 1837)
Bivalvia - Pandorida - Pandoridae
Pandora cf. filosa (Carpenter 1863)
Bivalvia - Hiatellida - Hiatellidae
Panope cf. generosa (Gould 1850)
Bivalvia - Pholadida - Pholadidae
Pholadidea ovoidea (Gould 1851)
Arnold 1908
Pholadidea penita (Conrad 1837)
Bivalvia - Pholadida - Myidae
Mya sp. Linnaeus 1758
Bivalvia - Cardiida - Tellinidae
Macoma sp. Leach 1819
Bivalvia - Cardiida - Semelidae
Semele sp. Schumacher 1817
Bivalvia - Cardiida - Veneridae
Bivalvia - Cardiida - Lasaeidae
Kellia laperousii (Deshayes 1839)
Bivalvia - Lucinida - Thyasiridae
Thyasira cf. gouldii (Philippi 1845)
Bivalvia - Lucinida - Lucinidae
Lucinisca nuttallii (Conrad 1837)
Parvilucina tenuisculpta (Carpenter 1864)
Arnold 1908
as "Phacoides intensus"
Bivalvia - Carditida - Carditidae
Arnold 1908
as "Venericardia californica"
Gastropoda - Heterostropha - Pyramidellidae
Odostomia pratoma (Dall and Bartsch 1909)
Gastropoda - Neotaenioglossa - Calyptraeidae
Trochita radians Lamarck 1816
Gastropoda - Naticidae
    = Cryptonatica affinis Gmelin 1791
Hendy 2020
Lunatia lewisii (Gould 1847)
Arnold 1908
Neverita reclusiana (Deshayes 1839)
Gastropoda - Vermetidae
Aletes squamigerus Carpenter 1857
Gastropoda - Neogastropoda - Mangeliidae
Propebela sp. Iredale 1918
Gastropoda - Neogastropoda - Pseudomelatomidae
Gastropoda - Neogastropoda - Drilliidae
Arnold 1908
Arnold 1908
Gastropoda - Neogastropoda - Cancellariidae
Gastropoda - Neogastropoda - Volutidae
Gastropoda - Neogastropoda - Muricidae
Arnold 1908
Gastropoda - Neogastropoda
Barbarofusus cf. arnoldi (Cossmann 1903)
Gastropoda - Neogastropoda - Columbellidae
Mitrella gausapata (Gould 1850)
Amphissa sp. Adams and Adams 1853
Gastropoda - Neogastropoda - Nassariidae
Arnold 1908
Gastropoda - Neogastropoda - Buccinidae
Gastropoda - Neogastropoda - Olividae
Olivella cf. baetica Carpenter 1864
Gastropoda - Ranellidae
Priene oregonensis (Redfield 1846)
Arnold 1908
Gastropoda - Cerithiidae
Gastropoda - Turritellidae
Turritella cooperi Carpenter 1864
Arnold 1908
Gastropoda - Neptuneidae
Neptunea sp. Röding 1798
Gastropoda - Eucyclidae
Hendy 2020
Turcica imperialis brevis Stewart is synonym of Turcica caffea
Gastropoda - Lepetellida - Fissurellidae
Scaphopoda - Gadilida - Gadilidae
Cadulus fusiformis Pilsbry and Sharp 1898
Arnold 1908
Anthozoa - Scleractinia - Dendrophylliidae
Dendrophyllia sp. Blainville 1830
see common names

Geography
Country:United States State/province:California County:Santa Barbara
Coordinates: 34.9° North, 120.5° West (view map)
Paleocoordinates:35.5° North, 119.3° West (Wright 2013)
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: 3.6 - 2.58 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
Database number:189542
Authorizer:A. Hendy, J. Marcot Enterer:A. Hendy, J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2017-10-29 23:13:02 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2019-10-29 23:13:02
Creative Commons license:CC0
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]

Secondary references:

67637 R. Arnold. 1908. New and characteristic species of fossil mollusks from the oil-bearing Tertiary formations of Santa Barbara County, California. Smithsonian Miscellaneous Contributions 50(4):419-436 [J. Marcot/J. Marcot]
63217 A. J. W. Hendy. 2020. Unpublished taxonomic backbone for Eastern Pacific Invertebrate Communities of the Cenozoic (EPICC) Thematic Collections Network. [A. Hendy/A. Hendy/A. Hendy]