LACMIP Loc. 1305 [Quaternary terrace] (Pleistocene of the United States)

Also known as Marincovich Site 12-2

Where: Los Angeles County, California (33.7° N, 118.3° W: paleocoordinates 33.6° N, 117.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: twelve terrace Member (Quaternary terrace Formation), Early/Lower Pleistocene (2.6 - 0.8 Ma)

• LITHOSTRATIGRAPHY: From unnamed Quaternary terrace, which locally overlies Altamira Shale (middle-late Miocene). AGE: Late Pleistocene, following Marincovich (1976), but edited to early Pleistocene by enterer on the basis of terrace position. STRATIGRAPHIC DETAILS: From terrace twelve of Woodring et al. (1946).

• bed-level stratigraphic resolution

Environment/lithology: shoreface; unlithified siliciclastic sediments

• ENVIRONMENT: fauna is characteristic of rocky intertidal or shallow subtidal hard ground. SEQUENCE STRATIGRAPHY: from terrace deposit accumulated under transgressive conditions.
• LITHOLOGY: not reported in text, but siliciclastic. LITHIFICATION: not reported in text, but fossils in LACMIP collection from LACMIP loc. 1309 are unlithified.

Size class: macrofossils

Preservation: original aragonite, original calcite

Collected by W. Easton & L. Marincovich; reposited in the LACM

Collection methods: bulk, surface (float), surface (in situ),

• COLLECTOR: W. Easton & L. Marincovich (c. 1970s). REPOSITORY: LACMIP, including former USC collections.

Primary reference: L. Marincovich. 1976. Late Pleistocene molluscan faunas from upper terraces of the Palos Verdes Hills, California. Natural History Museum of Los Angeles County Contributions in Science 281:1-28 [A. Hendy/A. Hendy/S. Ávila]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 202496: authorized by Austin Hendy, entered by Austin Hendy on 12.07.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs, but echinoids and decapods are likely present and are not included. NOMENCLATURE: Somewhat antiquated, but mostly with species-resolution identifications.
Polyplacophora
 Chitonida - Callistoplacidae
Callistochiton decoratus Pilsbry 1896 chiton
Callistochiton crassicostatus Pilsbry 1893 chiton
 Neoloricata - Ischnochitonidae
Stenoplax heathiana Berry 1946 chiton
 Neoloricata - Mopaliidae
Mopalia sp. Gray 1847 chiton
 Neoloricata - Chaetopleuridae
Chaetopleura gemma Carpenter 1879 chiton
Gastropoda
 Patellida - Lottiidae
"Collisella edmitchelli" = Lottia edmitchelli, "Collisella cf. edmitchelli" = Lottia edmitchelli, "Collisella scabra" = Lottia scabra, "Collisella limatula" = Lottia limatula, Acmaea cf. mitra
"Collisella edmitchelli" = Lottia edmitchelli Lipps 1966 limpet
"Collisella cf. edmitchelli" = Lottia edmitchelli Lipps 1966 limpet
"Collisella scabra" = Lottia scabra Gould 1846 limpet
"Collisella limatula" = Lottia limatula Carpenter 1864 limpet
Acmaea cf. mitra Eschscholtz 1833 limpet
  -
Clathromangelia sp. Monterosato 1884 snail
 Lepetellida - Fissurellidae
"Megatebennus bimaculatus" = Fissurellidea bimaculata Dall 1871 snail
Diodora arnoldi McLean 1966 snail
Fissurella volcano Reeve 1849 snail
 Lepetellida - Haliotidae
Haliotis sp. Linnaeus 1758 abalone
Haliotis cracherodii Leach 1814 abalone
 Trochoidea - Skeneidae
"Parviturbo acuticostata" = Parviturbo acuticostatus
"Parviturbo acuticostata" = Parviturbo acuticostatus Carpenter 1864 snail
 Trochoidea - Phasianellidae
Tricolia sp. Risso 1826 snail
 Trochoidea - Liotiidae
Liotia fenestrata Carpenter 1864 snail
 Trochoidea - Trochidae
"Tegula gallina" = Chlorostoma gallina Forbes 1850 top snail
SUBSPECIES: Tegula gallina multifilosa
Lirularia cf. acuticostata Carpenter 1864 top snail
 Trochoidea - Turbinidae
"Homalopoma luridum" = Homalopoma (Homalopoma) luridum, "Homalopoma fenestratum" = Homalopoma (Homalopoma) radiatum
"Homalopoma luridum" = Homalopoma (Homalopoma) luridum Dall 1885 snail
"Homalopoma fenestratum" = Homalopoma (Homalopoma) radiatum Dall 1918 snail
 Epitonioidea - Epitoniidae
Epitonium sp. Bolten 1798 wentletrap
 Neogastropoda - Mangeliidae
"Clathromangelia interfossa" = Perimangelia interfossa, "Clathromangelia variegata" = Tenaturris variegata
"Clathromangelia interfossa" = Perimangelia interfossa Carpenter 1864 snail
"Clathromangelia variegata" = Tenaturris variegata Carpenter 1864 snail
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Columbellidae
Amphissa versicolor Dall 1871 snail
 Neogastropoda -
"Mitromorpha aspera" = Cymakra aspera, "Mitromorpha intermedia" = Cymakra intermedia
"Mitromorpha aspera" = Cymakra aspera Carpenter 1864 snail
"Mitromorpha intermedia" = Cymakra intermedia Arnold 1903 snail
 Neogastropoda - Mitridae
"Mitra cf. idae" = Mitra (Atrimitra) idae
"Mitra cf. idae" = Mitra (Atrimitra) idae Melville 1893 mitre shell
 Neogastropoda - Cystiscidae
Granulina margaritula Carpenter 1857 snail
 Sorbeoconcha - Barleeiidae
Barleeia cf. haliotiphila Carpenter 1864 snail
Barleeia cf. subtenuis Carpenter 1864 snail
 Sorbeoconcha - Rissoidae
"Alvinia oldroydae" = Actonia oldroydae, "Alvinia compacta" = Actonia compacta, "Alvinia sp." = Manzonia (Alvinia), Alvinia purpurea, Alvinia aequisculpta, Rissoina kelseyi
"Alvinia oldroydae" = Actonia oldroydae Bartsch 1911 snail
"Alvinia compacta" = Actonia compacta Carpenter 1864 snail
"Alvinia sp." = Manzonia (Alvinia) Monterosato 1884 snail
Alvinia purpurea Dall 1871 snail
Alvinia aequisculpta Keep 1887 snail
Rissoina kelseyi Dall and Bartsch 1902 snail
 Sorbeoconcha - Hipponicidae
Antisabia panamensis Adams 1852 hoof shell
Hipponix tumens Carpenter 1864 hoof shell
 Sorbeoconcha - Naticidae
Sinum scopulosum Conrad 1849 moon snail
 Sorbeoconcha - Vermetidae
"Petaloconchus montereyensis" = Petaloconchus compactus, "Serpulorbis squamigerus" = Thylacodes squamigerus
"Petaloconchus montereyensis" = Petaloconchus compactus Carpenter 1864 worm shell
"Serpulorbis squamigerus" = Thylacodes squamigerus Carpenter 1857 worm shell
 Sorbeoconcha - Triphoridae
"Triphora pedroana" = Monophorus pedroanus, "Triphora cf. pedroana" = Monophorus pedroanus, Metaxia sp., Metaxia convexa
"Triphora pedroana" = Monophorus pedroanus Bartsch 1907 snail
"Triphora cf. pedroana" = Monophorus pedroanus Bartsch 1907 snail
Metaxia sp. Monterosato 1884 snail
Metaxia convexa Cerpenter 1857 snail
 Sorbeoconcha - Cerithiopsidae
Seila montereyensis Bartsch 1907 snail
Cerithiopsis sp. Hanley 1849 snail
 Sorbeoconcha - Littorinidae
Lacuna sp., "Lacuna unifasciata" = Lacuna (Epheria) unifasciata, "Littorina planaxis" = Littorina (Neritrema) keenae, "Littorina scutulata" = Littorina (Littorina) scutulata
Lacuna sp. Turton 1827 periwinkle
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle
"Littorina planaxis" = Littorina (Neritrema) keenae Rosewater 1978 periwinkle
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle
 Sorbeoconcha - Caecidae
"Caecum cf. dalli" = Caecum quadratum, Fartulum orcutti, "Fartulum occidentale" = Fartulum dextroversum, "Fartulum cf. occidentale" = Fartulum dextroversum
"Caecum cf. dalli" = Caecum quadratum Carpenter 1857 snail
Fartulum orcutti Dall in Orcutt 1885 snail
"Fartulum occidentale" = Fartulum dextroversum Carpenter 1857 snail
"Fartulum cf. occidentale" = Fartulum dextroversum Carpenter 1857 snail
 Sorbeoconcha - Tornidae
"Teinostoma supravallata" = Pseudorotella supravallata
"Teinostoma supravallata" = Pseudorotella supravallata Carpenter 1864 snail
 Sorbeoconcha - Procerithiidae
"Bittium cf. attenuatum" = Lirobittium attenuatum, "Bittium aff. purpureum" = Lirobittium purpureum, "Bittium cf. armillatum" = Lirobittium armillatum
"Bittium cf. attenuatum" = Lirobittium attenuatum Carpenter 1864 snail
"Bittium aff. purpureum" = Lirobittium purpureum Carpenter 1864 snail
"Bittium cf. armillatum" = Lirobittium armillatum Carpenter 1864 snail
 Vanikoroidea - Eulimidae
Balcis sp., "Balcis cf. thersites" = Melanella thersites
Balcis sp. Leach 1847 snail
"Balcis cf. thersites" = Melanella thersites Carpenter 1864 snail
 Cerithioidea - Cerithiidae
Alabina cf. tenuisculpta Carpenter 1864 cerith snail
 Neotaenioglossa - Calyptraeidae
Crepidula sp. Lamarck 1799 slipper shell
Crepipatella lingulata Gould 1846 slipper shell
 Heterostropha - Pyramidellidae
Turbonilla sp., Turbonilla cf. asser, "Turbonilla cf. moerchi" = Pyrgiscus moerchi, Odostomia sp., "Odostomia cf. aepynota" = Ividia aepynota
Turbonilla sp. Risso 1826 snail
Turbonilla cf. asser Dall and Bartsch 1909 snail
"Turbonilla cf. moerchi" = Pyrgiscus moerchi Dall and Bartsch 1907 snail
Odostomia sp. Fleming 1817 snail
"Odostomia cf. aepynota" = Ividia aepynota Dall and Bartsch 1909 snail
 Heterostropha - Trimusculidae
Trimusculus reticulatus Sowerby 1835 button snail
 Opisthobranchia - Cylichnidae
Acteocina sp. Gray 1847 barrel-bubble
Bivalvia
 Mytilida - Mytilidae
Septifer bifurcatus Conrad 1837 mussel
Mytilus sp. Linnaeus 1758 mussel
 Cardiida - Semelidae
Semele sp. Schumacher 1817 clam
 Cardiida - Veneridae
"Transenella tantilla" = Nutricola tantilla
"Transenella tantilla" = Nutricola tantilla Gould 1853 venus clam
 Cardiida - Chamidae
Chama arcana Bernard 1976 jewel box
 Cardiida - Lasaeidae
"Lasaea cf. subviridus" = Lasaea adansoni
"Lasaea cf. subviridus" = Lasaea adansoni Gmelin 1791 clam
 Lucinida - Lucinidae
Epilucina californica Conrad 1837 clam
 Carditida - Carditidae
"Glans subquadrata" = Glans carpenteri
"Glans subquadrata" = Glans carpenteri Lamy 1922 clam