San Nicholas Island (SN-3): Quaternary, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Luccpinella cf. callomarginata
Cysticus cf. regularis
Coleophsis harpa
Polyplacophora - Neoloricata - Ischnochitonidae
Tonicella cf. lineata (Wood 1815)
Stenoplax sp. Carpenter 1879
Polyplacophora - Neoloricata - Mopaliidae
Mopalia muscova
Mopalia hindsii (Sowerby 1847)
Gastropoda - Liotiidae
Liotia fenestrata Carpenter 1864
Gastropoda - Phasianellidae
Tricolia cf. pulloides (Carpenter 1865)
recombined as Eulithidium pulloides
Gastropoda - Turbinidae
Pupillaria cf. succincta
spelled with current rank as Margarites (Pupillaria)
Pupillaria cf. oldroydi
spelled with current rank as Margarites (Pupillaria)
Arene acuticostata
Homalopoma cf. baculum (Carpenter 1864)
Homalopoma carpenteri (Pilsbry 1889)
synonym of Homalopoma (Homalopoma) luridum
Astraea gibberosa (Dillwyn 1817)
recombined as Pomaulax gibberosa
Gastropoda - Trochidae
Tegula brunnea (Philippi 1849)
recombined as Chlorostoma brunnea
Tegula funebralis (Adams 1855)
original and current combination Chlorostoma funebrale
Calliostoma cf. ligatum (Gould 1849)
recombined as Calliostoma ligatus
Halistylus pupoideus (Carpenter 1864)
Pupillaria cf. optabilis (Carpenter 1864)
recombined as Lirularia optabilis
Gastropoda - Tegulidae
Tegula pulligo
Gastropoda - Lepetellida - Fissurellidae
Puncturella cf. cooperi Carpenter 1864
Diodora aspera (Rathke 1833)
Gastropoda - Lepetellida - Haliotidae
Haliotis cf. sorenseni
Haliotis kamtschatkana
Haliotis rufescens Swainson 1822
Haliotis cracherodii Leach 1814
Gastropoda - Eulimidae
Balcis cf. thersites (Carpenter 1864)
recombined as Melanella thersites
Balcis cf. prefalcata Bartsch 1917
synonym of Vitreolina macra
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula princeps Conrad 1855
Crepidula cf. excavata (Broderip 1834)
Crepidula perforans Valenciennes 1846
Crepidula onyx Sowerby 1824
Crepidula adunca Sowerby 1824
Crepipatella lingulata (Gould 1846)
Gastropoda - Cerithiidae
Bittium eschrichtii (Middendorff 1849)
recombined as Neostylidium eschrichtii
Subspecies: Bittium eschrichtii montereyense
Gastropoda - Neogastropoda - Mitridae
Mitra idae Melville 1893
recombined as Mitra (Atrimitra) idae
Gastropoda - Neogastropoda - Olividae
Olivella biplicata (Sowerby 1825)
recombined as Callianax biplicata
Gastropoda - Neogastropoda - Buccinidae
"Searlesia" dira
Gastropoda - Neogastropoda - Siphonaliidae
Calicantharus fortis (Carpenter 1866)
Gastropoda - Neogastropoda - Fasciolariidae
Barbarofusus harfoldi
Barbarofusus monksae
Barbarofusus kobelti (Dall 1877)
Gastropoda - Neogastropoda - Columbellidae
Mitrella carinata (Hinds 1844)
recombined as Alia carinata
Amphissa versicolor Dall 1871
Mitrella tuberosa (Carpenter 1864)
Gastropoda - Neogastropoda - Conidae
Conus californicus Reeve 1844
recombined as Californiconus californicus
Gastropoda - Neogastropoda - Pseudomelatomidae
Pseudomelatoma cf. torosa (Gabb 1864)
Gastropoda - Neogastropoda - Mangeliidae
Mangelia cf. nitens
corrected as Cythara (Mangelia)
Mangelia aff. rhyssa
corrected as Cythara (Mangelia)
Mangelia variegata Carpenter 1864
recombined as Tenaturris variegata
Mangelia interfossa Carpenter 1864
recombined as Perimangelia interfossa
Gastropoda - Neogastropoda - Mitromorphidae
Mitromorpha cf. filosa (Carpenter 1864)
replaced by Mitromorpha carpenteri
Gastropoda - Neogastropoda
Mitromorpha aspera (Carpenter 1864)
recombined as Cymakra aspera
Mitromorpha cf. gracilior (Tryon 1884)
recombined as Cymakra gracilior
Barbarofusus ? arnoldi (Cossmann 1903)
recombined as Harfordia arnoldi
Gastropoda - Neogastropoda - Cystiscidae
Gibberulina pyriformis (Carpenter 1864)
synonym of Granulina margaritula
Gastropoda - Neogastropoda - Muricidae
Ceratostoma foliatum (Gmelin 1791)
Ocenebra cf. lurida (Middendorff 1848)
recombined as Paciocinebrina lurida
Ocenebra cf. interfossa (Carpenter 1864)
recombined as Paciocinebrina interfossa
Subspecies: Ocenebra interfossa clathrata
Ocenebra foveolata (Hinds 1844)
recombined as Paciocinebrina foveolata
Gastropoda - Velutinidae
Lamellaria rhombica Dall 1871
recombined as Marsenina rhombica
Velutina aff. laevigata (Linnaeus 1758)
synonym of Velutina velutina
Gastropoda - Littorinidae
Littorina planaxis Philippi 1847
replaced by Littorina (Neritrema) keenae
Lacuna unifasciata Carpenter 1857
recombined as Lacuna (Epheria) unifasciata
Lacuna cf. carinata Gould 1848
recombined as Lacuna (Epheria) carinata
Littorina scutulata Gould 1849
recombined as Littorina (Littorina) scutulata
Gastropoda - Naticidae
Lunatia cf. lewisii (Gould 1847)
recombined as Euspira lewisii
Cryptonatica cf. clausa (Broderip and Sowerby 1829)
synonym of Cryptonatica affinis
Gastropoda - Rissoidae
Rissoina aff. dalli Bartsch 1915
recombined as Zebina dalli
Alvania aff. dinora
Alvania cf. lirata
Alvania sp. n. sp. Risso 1826
Alvania purpurea Dall 1871
recombined as Alvinia purpurea
"Rissoina" cf. aequisculpta (Keep 1887)
recombined as Alvinia aequisculpta
Alvania cf. oldroydae Bartsch 1911
recombined as Actonia oldroydae
Alvania cf. acutelirata (Carpenter 1864)
synonym of Actonia compacta
Rissoina cf. hannai
Rissoina cf. bakeri
Gastropoda - Barleeiidae
"Diala" cf. marmorea Carpenter 1864
synonym of Pseudodiala acuta
Barleeia cf. oldroydae
Barleeia subtenuis Carpenter 1864
Rissoina cf. coronadoensis (Bartsch 1920)
original and current combination Barleeia coronadoensis
Amphithalamus cf. tenuis Bartsch 1911
Amphithalamus inclusus Lozouet 1998
Gastropoda - Vermetidae
Spiroglyphus lituellus (Morch 1861)
recombined as Dendropoma lituella
Aletes squamigerus Carpenter 1857
recombined as Thylacodes squamigerus
Petaloconchus anellum
Petaloconchus complicatus Dall 1908
Gastropoda - Cerithiopsidae
Seila cf. montereyense
Cerithiopsis cf. grippi
Cerithiopsis sp. Hanley 1849
Gastropoda - Triphoridae
Triphora cf. pedroana (Bartsch 1907)
recombined as Monophorus pedroanus
Metaxia cf. diadema Bartsch 1907
synonym of Metaxia convexa
Gastropoda - Hipponicidae
Hipponix antiquatus (Linnaeus 1767)
    = Antisabia panamensis Adams 1852
Hendy 2020
Hipponix tumens (Carpenter 1864)
Gastropoda - Caecidae
Caecum californicum Dall 1885
Caecum dalli Bartsch 1920
synonym of Caecum quadratum
Fartulum occidentale Bartsch 1920
synonym of Fartulum dextroversum
Gastropoda - Assimineidae
Assiminea transluscens
Gastropoda - Procerithiidae
Bittium cf. attenuatum Carpenter 1864
recombined as Lirobittium attenuatum
Bittium armillatum Carpenter 1864
recombined as Lirobittium armillatum
Gastropoda - Heterostropha - Pyramidellidae
Turbonilla cf. valdezi (Dall and Bartsch 1907)
Odostomia cf. oldroydi
Odostomia phanella
Odostomia cf. virginalis
Odostomia cf. sapia
Odostomia cf. sanctorum
Odostomia cf. io Dall and Bartsch 1909
Gastropoda - Heterostropha - Trimusculidae
Trimusculus reticulatus (Sowerby 1835)
recombined as Trimusculus reticulata
Gastropoda - Patellida - Lottiidae
Acmaea digitalis Eschscholtz 1833
recombined as Lottia digitalis
Acmaea pelta Eschscholtz 1833
recombined as Lottia pelta
Acmaea scabra (Gould 1846)
original and current combination Patella (Lottia) scabra
Acmaea scutum Eschscholtz 1833
recombined as Lottia scutum
Acmaea limatula (Carpenter 1864)
original and current combination Patella limatula
Acmaea sp. n. sp. Eschscholtz 1830
Acmaea funiculata (Carpenter 1864)
Acmaea mitra Eschscholtz 1833
Gastropoda - Siphonariidae
"Siphonaria" brannani
Bivalvia - Arcida - Arcidae
Arca sisquocensis (Reinhart 1937)
original and current combination Arca (Arca) sisquocensis
Bivalvia - Arcida - Glycymerididae
Glycymeris subobsoleta (Carpenter 1864)
synonym of Glycymeris septentrionalis
Bivalvia - Pectinida - Pectinidae
Chlamys hastatus (Sowerby 1842)
recombined as Chlamys hastata
Hinnites giganteus (Gray 1825)
recombined as Crassadoma gigantea
Bivalvia - Mytilida - Mytilidae
Mytilus californianus Conrad 1837
Modiolus fornicatus (Carpenter 1864)
replaced by Modiolus carpenteri
Bivalvia - Lucinida - Lucinidae
Epilucina californica (Conrad 1837)
original and current combination Phacoides californicus
Bivalvia - Pholadida - Pholadidae
Penitella penita (Conrad 1837)
Parapholas cf. californica (Conrad 1837)
Bivalvia - Cardiida - Lasaeidae
Lasaea cf. cistula Keen 1938
synonym of Lasaea adansoni
Bivalvia - Cardiida - Chamidae
Chama pellucida Broderip 1835
    = Chama arcana Bernard 1976
Coan et al. 2000
Bivalvia - Cardiida - Veneridae
Transennella tantilla (Gould 1853)
recombined as Nutricola tantilla
Saxidomus nuttalli Conrad 1837
Petricola carditoides (Conrad 1837)
recombined as Petricola (Petricola) carditoides
Irus lamellifer (Conrad 1837)
recombined as Irusella lamellifera
Humilaria perlaminosa (Conrad 1855)
Ventricolaria fordii (Yates 1890)
recombined as Globivenus fordii
Protothaca staminea (Conrad 1837)
recombined as Leukoma staminea
Bivalvia - Cardiida - Ungulinidae
Diplodonta orbella (Gould 1851)
Bivalvia - Cardiida - Mactridae
Schizothaerus nuttalli (Conrad 1837)
recombined as Tresus nuttallii
Bivalvia - Cardiida - Cardiidae
Clinocardium nuttallii (Conrad 1837)
recombined as Clinocardium (Clinocardium) nuttallii
Bivalvia - Cardiida - Psammobiidae
Gari californica (Conrad 1849)
recombined as Gari (Gobraeus) californica
Bivalvia - Cardiida - Semelidae
Cumingia californica Conrad 1837
Bivalvia - Hiatellida - Hiatellidae
Panope cf. generosa (Gould 1850)
original and current combination Panopea generosa
Hiatella cf. arctica (Linnaeus 1767)
Bivalvia - Carditida - Carditidae
Milneria minima (Dall 1871)
Glans subquadrata (Carpenter 1864)
synonym of Glans carpenteri
Rhynchonellata - Terebratulida - Terebrataliidae
Terebratalia cf. transversa (Sowerby 1846)
original and current combination Terebratula transversa
Polychaeta - Spiomorpha
Dodecaceria fistulacola
Thecostraca - Balanomorpha - Balanidae
Balanus cf. nutibilis
Balanus sp. Da Costa 1778
Thecostraca - Balanomorpha - Tetraclitidae
Tetraclita squamosa
SUBSPECIES: Tetraclita squamosa rubescens
Echinoidea - Camarodonta - Strongylocentrotidae
Strongylocentrotus purpuratus (Stimpson 1857)
original and current combination Echinus purpuratus
see common names

Geography
Country:United States State/province:California County:Ventura
Coordinates: 33.2° North, 119.5° West (view map)
Paleocoordinates:33.2° North, 119.2° West
Basis of coordinate:stated in text
Altitude:735 feet
Geographic resolution:outcrop
Time
Period:Quaternary
Key time interval:Quaternary
Age range of interval:2.58800 - 0.00000 m.y. ago
Stratigraphy
Formation:Unnamed
Local section:Hill 818
Regional section:San Nicholas Island
Stratigraphic resolution:bed
Stratigraphy comments: Dune sand and fossiliferous marine terrace deposits of Quaternary age. These overlie Eocene strata. Fossils come from seven well-developed wave-cut platforms at altitudes of 25 to 990 feet. Several submerged terraces are present on the shelf adjacent to the island., the lowest being 400 ft below sea-level. Presumably all the terrace platforms on San Nicholas Island were cut later than the middle Pleistocene diastrophism recognized elsewhere in southern California. Terrace platforms are covered with a variety of sediments of marine and non-marine origin and range in thickness from a few inches to many feet.
Lithology and environment
Primary lithology:pebbly,shelly/skeletal conglomeratic,calcareous sandstone
Includes fossils?Y
Lithology description: Generally comprise poorly sorted calcareous sand and gravel composed primarily of mollusc shell fragments, echinoid plates and spines, calcareous algae, and bryozoans.
Environment:coastal indet.
Glacial or sequence phase:transgressive systems tract
Geology comments: Higher emergent terraces may represent wave-abraded platforms that were eroded during eustatic changes in sea level combined with tectonic uplift. The lowest emergent terrace may have been cut during eustatic sea-level changes followed by very slight regional seaward warping. Presumably all the terrace platforms on San Nicholas Island were cut later than the middle Pleistocene diastrophism recognized elsewhere in southern California
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils,some microfossils
Collection methods:selective quarrying,field collection
Reason for describing collection:general faunal/floral analysis
Collection method comments: Collections made by Vedder et al (1955-1956). Earlier collections by Cooper (1894), and Howard (1955)
Taxonomic list comments:Comprehensive for invertebrates
Metadata
Also known as:Vedder & Norris (1963) SN-3
Database number:37947
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-03-27 13:11:45 Last modified:2013-11-25 13:37:23
Access level:the public Released:2004-03-27 13:11:45
Creative Commons license:CC BY
Reference information

Primary reference:

10107. J. G. Vedder and R. M. Norris. 1963. Geology of San Nicolas Island, California. United States Geological Survey Professional Paper 369:1-65 [A. Miller/A. Hendy/P. Wagner]

Secondary references:

18663 E. V. Coan, P. V. Scott, and F. R. Bernard. 2000. Bivalve seashells of western North America. Santa Barbara Museum of Natural history Monographs 2:1-764 [A. Miller/A. Hendy/M. Uhen]
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]