LACMIP Loc. 1305 [Quaternary terrace]: Early/Lower Pleistocene, California
collected by W. Easton & L. Marincovich
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polyplacophora
- Neoloricata
- Mopaliidae
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Mopalia sp.
Gray 1847
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1 specimen | |||||||||
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Polyplacophora
- Neoloricata
- Chaetopleuridae
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Chaetopleura gemma
Carpenter 1879
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1 specimen | |||||||||
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Polyplacophora
- Neoloricata
- Ischnochitonidae
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Stenoplax heathiana
Berry 1946
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2 specimens | |||||||||
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Polyplacophora
- Chitonida
- Callistoplacidae
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Callistochiton crassicostatus
Pilsbry 1893
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27 specimens | |||||||||
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Callistochiton decoratus
Pilsbry 1896
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2 specimens | |||||||||
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Gastropoda
- Patellida
- Lottiidae
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Acmaea cf. mitra
Eschscholtz 1833
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1 specimen | |||||||||
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Collisella limatula
(Carpenter 1864)
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3 specimens | |||||||||
| original and current combination Patella limatula | ||||||||||
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Collisella edmitchelli
(Lipps 1966)
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5 specimens | |||||||||
| recombined as Lottia edmitchelli | ||||||||||
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Collisella cf. edmitchelli
(Lipps 1966)
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4 specimens | |||||||||
| recombined as Lottia edmitchelli | ||||||||||
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Collisella scabra
(Gould 1846)
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48 specimens | |||||||||
| original and current combination Patella (Lottia) scabra | ||||||||||
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Gastropoda
- Turbinidae
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Homalopoma fenestratum
(Dall 1919)
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6 specimens | |||||||||
| synonym of Homalopoma (Homalopoma) radiatum | ||||||||||
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Homalopoma luridum
Dall 1885
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8 specimens | |||||||||
| recombined as Homalopoma (Homalopoma) luridum | ||||||||||
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Gastropoda
- Phasianellidae
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Tricolia sp.
Risso 1826
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16 specimens | |||||||||
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Gastropoda
- Skeneidae
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Parviturbo acuticostata
(Carpenter 1864)
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8 specimens | |||||||||
| recombined as Parviturbo acuticostatus | ||||||||||
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Gastropoda
- Liotiidae
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Liotia fenestrata
Carpenter 1864
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3 specimens | |||||||||
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Gastropoda
- Trochidae
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Tegula gallina
(Forbes 1850)
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3 specimens | |||||||||
| recombined as Chlorostoma gallina | ||||||||||
| SUBSPECIES: Tegula gallina multifilosa | ||||||||||
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Lirularia cf. acuticostata
(Carpenter 1864)
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1 specimen | |||||||||
| recombined as Lirularia optabilis | ||||||||||
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Gastropoda
- Lepetellida
- Fissurellidae
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Diodora arnoldi
McLean 1966
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3 specimens | |||||||||
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Fissurella volcano
Reeve 1849
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31 specimens | |||||||||
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Megatebennus bimaculatus
(Dall 1871)
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4 specimens | |||||||||
| recombined as Fissurellidea bimaculata | ||||||||||
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Gastropoda
- Lepetellida
- Haliotidae
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Haliotis sp.
Linnaeus 1758
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4 specimens | |||||||||
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Haliotis cracherodii
Leach 1814
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4 specimens | |||||||||
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Gastropoda
- Eulimidae
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Balcis cf. thersites
(Carpenter 1864)
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2 specimens | |||||||||
| recombined as Melanella thersites | ||||||||||
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Balcis sp.
Leach 1847
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1 specimen | |||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula sp.
Lamarck 1799
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36 specimens | |||||||||
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Crepipatella lingulata
(Gould 1846)
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4 specimens | |||||||||
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Gastropoda
- Cerithiidae
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Alabina cf. tenuisculpta
(Carpenter 1864)
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1 specimen | |||||||||
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Gastropoda
- Epitoniidae
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Epitonium sp.
Bolten 1798
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1 specimen | |||||||||
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Gastropoda
- Rissoidae
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Rissoina kelseyi
Dall and Bartsch 1902
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16 specimens | |||||||||
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Alvinia sp.
Monterosato 1884
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5 specimens | |||||||||
| spelled with current rank as Manzonia (Alvinia) | ||||||||||
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Alvinia aequisculpta
(Keep 1887)
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12 specimens | |||||||||
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Alvinia purpurea
(Dall 1871)
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129 specimens | |||||||||
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Alvinia compacta
(Carpenter 1864)
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29 specimens | |||||||||
| recombined as Actonia compacta | ||||||||||
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Alvinia oldroydae
(Bartsch 1911)
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2 specimens | |||||||||
| recombined as Actonia oldroydae | ||||||||||
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Gastropoda
- Barleeiidae
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Barleeia cf. subtenuis
Carpenter 1864
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10 specimens | |||||||||
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Barleeia cf. haliotiphila
Carpenter 1864
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2 specimens | |||||||||
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Gastropoda
- Cerithiopsidae
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Seila montereyensis
Bartsch 1907
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6 specimens | |||||||||
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Cerithiopsis sp.
Hanley 1849
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41 specimens | |||||||||
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Gastropoda
- Triphoridae
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Metaxia sp.
Monterosato 1884
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2 specimens | |||||||||
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Metaxia convexa
(Cerpenter 1857)
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4 specimens | |||||||||
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Triphora pedroana
(Bartsch 1907)
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8 specimens | |||||||||
| recombined as Monophorus pedroanus | ||||||||||
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Triphora cf. pedroana
(Bartsch 1907)
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8 specimens | |||||||||
| recombined as Monophorus pedroanus | ||||||||||
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Gastropoda
- Vermetidae
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Serpulorbis squamigerus
(Carpenter 1857)
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2 specimens | |||||||||
| recombined as Thylacodes squamigerus | ||||||||||
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Petaloconchus montereyensis
Dall 1919
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7 specimens | |||||||||
| synonym of Petaloconchus compactus | ||||||||||
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Gastropoda
- Hipponicidae
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Hipponix tumens
(Carpenter 1864)
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56 specimens | |||||||||
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Hipponix antiquatus
(Linnaeus 1767)
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16 specimens | |||||||||
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= Antisabia panamensis
Adams 1852
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Hendy 2021 | |||||||||
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Gastropoda
- Neogastropoda
- Cystiscidae
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Granulina margaritula
(Carpenter 1857)
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6 specimens | |||||||||
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Gastropoda
- Neogastropoda
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Mitromorpha aspera
(Carpenter 1864)
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1 specimen | |||||||||
| recombined as Cymakra aspera | ||||||||||
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Mitromorpha intermedia
Arnold 1903
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1 specimen | |||||||||
| recombined as Cymakra intermedia | ||||||||||
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Gastropoda
- Neogastropoda
- Mitridae
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Mitra cf. idae
Melville 1893
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2 specimens | |||||||||
| recombined as Mitra (Atrimitra) idae | ||||||||||
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Gastropoda
- Neogastropoda
- Columbellidae
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Amphissa versicolor
Dall 1871
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4 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus californicus
Reeve 1844
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6 specimens | |||||||||
| recombined as Californiconus californicus | ||||||||||
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Gastropoda
- Neogastropoda
- Mangeliidae
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Clathromangelia variegata
(Carpenter 1864)
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1 specimen | |||||||||
| recombined as Tenaturris variegata | ||||||||||
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Clathromangelia interfossa
(Carpenter 1864)
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5 specimens | |||||||||
| recombined as Perimangelia interfossa | ||||||||||
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Gastropoda
- Tornidae
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Teinostoma supravallata
(Carpenter 1864)
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121 specimens | |||||||||
| recombined as Pseudorotella supravallata | ||||||||||
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Gastropoda
- Caecidae
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Caecum cf. dalli
Bartsch 1920
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1 specimen | |||||||||
| synonym of Caecum quadratum | ||||||||||
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Fartulum occidentale
Bartsch 1920
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21 specimens | |||||||||
| synonym of Fartulum dextroversum | ||||||||||
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Fartulum cf. occidentale
Bartsch 1920
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1 specimen | |||||||||
| synonym of Fartulum dextroversum | ||||||||||
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Fartulum orcutti
(Dall in Orcutt 1885)
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11 specimens | |||||||||
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Gastropoda
- Naticidae
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Sinum scopulosum
(Conrad 1849)
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1 specimen | |||||||||
| recombined as Sinum scopulosus | ||||||||||
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Gastropoda
- Littorinidae
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Lacuna sp.
Turton 1827
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2 specimens | |||||||||
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Lacuna unifasciata
Carpenter 1857
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1 specimen | |||||||||
| recombined as Lacuna (Epheria) unifasciata | ||||||||||
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Littorina scutulata
Gould 1849
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36 specimens | |||||||||
| recombined as Littorina (Littorina) scutulata | ||||||||||
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Littorina planaxis
Philippi 1847
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22 specimens | |||||||||
| replaced by Littorina (Neritrema) keenae | ||||||||||
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Gastropoda
- Procerithiidae
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Bittium cf. attenuatum
Carpenter 1864
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1 specimen | |||||||||
| recombined as Lirobittium attenuatum | ||||||||||
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Bittium aff. purpureum
Carpenter 1864
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3 specimens | |||||||||
| recombined as Lirobittium purpureum | ||||||||||
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Bittium cf. armillatum
Carpenter 1864
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23 specimens | |||||||||
| recombined as Lirobittium armillatum | ||||||||||
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Acteocina sp.
Gray 1847
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1 specimen | |||||||||
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Gastropoda
- Heterostropha
- Pyramidellidae
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Odostomia sp.
Fleming 1817
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2 specimens | |||||||||
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Odostomia cf. aepynota
(Dall and Bartsch 1909)
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1 specimen | |||||||||
| recombined as Ividia aepynota | ||||||||||
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Turbonilla sp.
Risso 1826
|
4 specimens | |||||||||
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Turbonilla cf. moerchi
(Dall and Bartsch 1907)
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4 specimens | |||||||||
| recombined as Pyrgiscus moerchi | ||||||||||
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Turbonilla cf. asser
(Dall and Bartsch 1909)
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1 specimen | |||||||||
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Gastropoda
- Heterostropha
- Trimusculidae
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Trimusculus reticulatus
(Sowerby 1835)
|
2 specimens | |||||||||
| recombined as Trimusculus reticulata | ||||||||||
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Gastropoda
|
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Clathromangelia sp.
Monterosato 1884
|
1 specimen | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Glans subquadrata
(Carpenter 1864)
|
32 specimens | |||||||||
| synonym of Glans carpenteri | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Epilucina californica
(Conrad 1837)
|
4 specimens | |||||||||
| original and current combination Phacoides californicus | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Transenella tantilla
(Gould 1853)
|
2 specimens | |||||||||
| recombined as Nutricola tantilla | ||||||||||
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Bivalvia
- Cardiida
- Chamidae
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Chama pellucida
Broderip 1835
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1 specimen | |||||||||
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= Chama arcana
Bernard 1976
|
Hendy 2021 | |||||||||
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Bivalvia
- Cardiida
- Semelidae
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Semele sp.
Schumacher 1817
|
1 specimen | |||||||||
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Bivalvia
- Cardiida
- Lasaeidae
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Lasaea cf. subviridus
(Dall 1899)
|
1 specimen | |||||||||
| synonym of Lasaea adansoni | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
|
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Septifer bifurcatus
(Conrad 1837)
|
13 specimens | |||||||||
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Mytilus sp.
Linnaeus 1758
|
2 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Los Angeles |
| Coordinates: | 33.7° North, 118.3° West (view map) | ||||
| Paleocoordinates: | 33.6° North, 117.7° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Altitude: | 123 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Early/Lower Pleistocene | ||
| Age range of interval: | 2.58000 - 0.77400 m.y. ago |
Stratigraphy
| Formation: | Quaternary terrace | Member: | twelve terrace | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 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). | |||||
Lithology and environment
| Primary lithology: | unlithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: LITHOLOGY: not reported in text, but siliciclastic. LITHIFICATION: not reported in text, but fossils in LACMIP collection from LACMIP loc. 1309 are unlithified. | |
| Environment: | shoreface |
| Glacial or sequence phase: | transgressive |
| Geology comments: ENVIRONMENT: fauna is characteristic of rocky intertidal or shallow subtidal hard ground. SEQUENCE STRATIGRAPHY: from terrace deposit accumulated under transgressive conditions. | |
Taphonomy
| Modes of preservation: | body,original aragonite,original calcite |
| Degree of concentration: | -hiatal |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | abundant |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | bulk,surface (float),surface (in situ),field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | LACM |
| Collectors: | W. Easton & L. Marincovich |
| Collection method comments: COLLECTOR: W. Easton & L. Marincovich (c. 1970s). REPOSITORY: LACMIP, including former USC collections. | |
| Taxonomic list comments:COVERAGE: Exhaustive for molluscs, but echinoids and decapods are likely present and are not included. NOMENCLATURE: Somewhat antiquated, but mostly with species-resolution identifications. | |
Metadata
| Also known as: | Marincovich Site 12-2 | ||
| Database number: | 202496 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2019-07-12 02:34:28 | Last modified: | 2021-11-13 22:58:25 |
| Access level: | authorizer only | Released: | 2020-01-12 02:34:28 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 69388. | 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] |
Secondary references:
| 78337 | A. Hendy. 2021. A review of the Quaternary Mollusca of the Palos Verdes Peninsula. [A. Hendy/A. Hendy] | |
| 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] |