Also known as Vedder & Norris (1963) SN-10
Where: Ventura County, California (33.2° N, 119.5° W: paleocoordinates 33.2° N, 119.2° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Unnamed Formation, Quaternary (2.6 - 0.0 Ma)
• 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.
• bed-level stratigraphic resolution
Environment/lithology: coastal; pebbly, shelly/skeletal, conglomeratic, calcareous sandstone
Size class: macrofossils
Collection methods: quarrying,
• Collections made by Vedder et al (1955-1956). Earlier collections by Cooper (1894), and Howard (1955)
Primary reference: 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]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 37940: authorized by Austin Hendy, entered by Austin Hendy on 27.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
Balanophyllia elegans Verrill 1864 stony coral | |
Polyplacophora | |
"Stenoplax cf. conspicuus" = Stenoplax conspicua
"Stenoplax cf. conspicuus" = Stenoplax conspicua Carpenter 1879 conspicuous chiton | |
Mopalia cf. muscosa Gould 1846 chiton | |
Gastropoda | |
Tricolia cf. rubrilineata, "Tricolia cf. pulloides" = Eulithidium pulloides
"Tricolia cf. pulloides" = Eulithidium pulloides Carpenter 1865 snail | |
Pupillaria pupilla, "Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum
Pupillaria pupilla Gould 1849 snail
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum Dall 1885 snail | |
Calliostoma ? ligatum Gould 1849 top snail
Halistylus pupoideus Carpenter 1864 top snail
"Pupillaria cf. optabilis" = Lirularia optabilis Carpenter 1864 top snail | |
"Megatebennus bimaculatus" = Fissurellidea bimaculata Dall 1871 snail
Diodora aspera Rathke 1833 snail
Fissurella volcano Reeve 1849 snail | |
Haliotis ? rufescens Swainson 1822 abalone | |
"Opalia wroblewskyi" = Opalia borealis, Epitonium cf. indianorum
Epitonium cf. indianorum Carpenter 1864 wentletrap | |
"Balcis cf. arnoldi" = Melanella arnoldi
"Balcis cf. arnoldi" = Melanella arnoldi Bartsch 1917 snail | |
Crepidula perforans Valenciennes 1846 slipper shell
Crepidula onyx Sowerby 1824 slipper shell
Crepidula adunca Sowerby 1824 slipper shell
Bostrycapulus decorus Collin 2019 slipper shell | |
"Bittium eschrichtii" = Neostylidium eschrichtii
"Bittium eschrichtii" = Neostylidium eschrichtii Middendorff 1849 cerith snail Subspecies: Bittium eschrichtii montereyense
| |
"Olivella cf. pedroana" = Callianax pedroana
"Olivella cf. pedroana" = Callianax pedroana Conrad 1855 olive snail | |
Calicantharus fortis Carpenter 1866 snail | |
Barbarofusus ? kobelti Dall 1877 snail | |
Amphissa columbiana Dall 1916 snail
Mitrella tuberosa Carpenter 1864 snail | |
Pseudomelatoma torosa Gabb 1864 snail | |
Glyphostoma sp. n. sp.
Glyphostoma sp. n. sp. Gabb 1872 snail | |
"Mangelia aff. rhyssa" = Cythara (Mangelia), "Mangelia variegata" = Tenaturris variegata, "Mangelia interfossa" = Perimangelia interfossa
"Mangelia aff. rhyssa" = Cythara (Mangelia) snail
"Mangelia variegata" = Tenaturris variegata Carpenter 1864 snail
"Mangelia interfossa" = Perimangelia interfossa Carpenter 1864 snail | |
"Mitromorpha cf. filosa" = Mitromorpha carpenteri
"Mitromorpha cf. filosa" = Mitromorpha carpenteri Glibert 1954 snail | |
"Mitromorpha cf. gracilior" = Cymakra gracilior, "Barbarofusus arnoldi" = Harfordia arnoldi
"Mitromorpha cf. gracilior" = Cymakra gracilior Tryon 1884 snail
"Barbarofusus arnoldi" = Harfordia arnoldi Cossmann 1903 snail | |
"Gibberulina pyriformis" = Granulina margaritula
"Gibberulina pyriformis" = Granulina margaritula Carpenter 1857 snail | |
Boreotrophon ? stuarti, "Acanthina spirata" = Acanthinucella spirata, "Ocenebra lurida" = Paciocinebrina lurida, "Ocenebra interfossa" = Paciocinebrina interfossa, "? Morula cf. lugubris" = Mexacanthina lugubris
Boreotrophon ? stuarti Smith 1880 murex snail
"Acanthina spirata" = Acanthinucella spirata Blainville 1832 murex snail Subspecies: Acanthina spirata punctulata
"Ocenebra lurida" = Paciocinebrina lurida Middendorff 1848 murex snail Subspecies: Ocenebra lurida munda
"Ocenebra interfossa" = Paciocinebrina interfossa Carpenter 1864 murex snail
"? Morula cf. lugubris" = Mexacanthina lugubris Sowerby I 1822 murex snail | |
"Lacuna cf. unifasciata" = Lacuna (Epheria) unifasciata, "Lacuna cf. carinata" = Lacuna (Epheria) carinata, "Littorina scutulata" = Littorina (Littorina) scutulata
"Lacuna cf. unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle
"Lacuna cf. carinata" = Lacuna (Epheria) carinata Gould 1848 periwinkle
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle | |
"Alvania purpurea" = Alvinia purpurea, "Alvania cf. acutelirata" = Actonia compacta
"Alvania purpurea" = Alvinia purpurea Dall 1871 snail
"Alvania cf. acutelirata" = Actonia compacta Carpenter 1864 snail | |
Barleeia subtenuis Carpenter 1864 snail
Amphithalamus tenuis Bartsch 1911 snail
Amphithalamus inclusus Lozouet 1998 snail | |
"Spiroglyphus lituellus" = Dendropoma lituella Morch 1861 worm shell
Petaloconchus anellum worm shell
Petaloconchus complicatus Dall 1908 worm shell | |
Cerithiopsis sp. Hanley 1849 snail | |
Antisabia panamensis Adams 1852 hoof shell | |
"Bittium cf. armillatum" = Lirobittium armillatum
"Bittium cf. armillatum" = Lirobittium armillatum Carpenter 1864 snail | |
Turbonilla cf. valdezi Dall and Bartsch 1907 snail
Odostomia cf. oldroydi snail
Odostomia altina snail
Odostomia cf. virginalis snail | |
"Acmaea pelta" = Lottia pelta, "Acmaea scabra" = Lottia scabra, "Acmaea scutum" = Lottia scutum, "Acmaea limatula" = Lottia limatula, Acmaea mitra
"Acmaea pelta" = Lottia pelta Eschscholtz 1833 limpet
"Acmaea scabra" = Lottia scabra Gould 1846 limpet
"Acmaea scutum" = Lottia scutum Eschscholtz 1833 limpet
"Acmaea limatula" = Lottia limatula Carpenter 1864 limpet
Acmaea mitra Eschscholtz 1833 limpet | |
Bivalvia | |
"Arca ? sisquocensis" = Arca (Arca) sisquocensis
"Arca ? sisquocensis" = Arca (Arca) sisquocensis Reinhart 1937 ark | |
"Glycymeris subobsoleta" = Glycymeris septentrionalis
"Glycymeris subobsoleta" = Glycymeris septentrionalis Middendorf 1849 clam | |
"Chlamys ? hastatus" = Chlamys hastata
"Chlamys ? hastatus" = Chlamys hastata Sowerby 1842 scallop | |
Mytilus californianus Conrad 1837 mussel | |
Epilucina californica Conrad 1837 clam | |
Bernardina bakeri Dall 1910 clam | |
"Lasaea cf. cistula" = Lasaea adansoni
"Lasaea cf. cistula" = Lasaea adansoni Gmelin 1791 clam | |
"Transennella tantilla" = Nutricola tantilla, Saxidomus nuttalli, "Petricola cf. carditoides" = Petricola (Petricola) carditoides, Turtonia cf. minuta, "Ventricolaria ? fordii" = Globivenus fordii, "Protothaca cf. staminea" = Leukoma staminea
"Transennella tantilla" = Nutricola tantilla Gould 1853 venus clam
Saxidomus nuttalli Conrad 1837 venus clam
"Petricola cf. carditoides" = Petricola (Petricola) carditoides Conrad 1837 venus clam
Turtonia cf. minuta Fabricius 1780 venus clam
"Ventricolaria ? fordii" = Globivenus fordii Yates 1890 venus clam
"Protothaca cf. staminea" = Leukoma staminea Conrad 1837 venus clam | |
"Clinocardium nuttallii" = Clinocardium (Clinocardium) nuttallii
"Clinocardium nuttallii" = Clinocardium (Clinocardium) nuttallii Conrad 1837 cockle | |
"Tellina salmonea" = Cadella nuculoides
"Tellina salmonea" = Cadella nuculoides Reeve 1854 tellin clam | |
Cumingia californica Conrad 1837 clam | |
Hiatella arctica Linnaeus 1767 clam | |
Miodontiscus prolongatus Carpenter 1864 clam
"Glans subquadrata" = Glans carpenteri Lamy 1922 clam | |
Scaphopoda | |
Graptacme semistriata Turton 1819 tusk shell | |
Echinoidea | |
Strongylocentrotus cf. franciscanus Agassiz 1863 sea urchin
Strongylocentrotus ? purpuratus Stimpson 1857 sea urchin |