LACMIP Loc. 1304 (Pleistocene of the United States)

Also known as Marincovich Site 12-1

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

• coordinate estimated from map

• small collection-level geographic resolution

When: seventh 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 seven 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; reposited in the LACM

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

• COLLECTOR: W. Easton (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 202495: authorized by Austin Hendy, entered by Austin Hendy on 12.07.2019

Creative Commons license: CC0 (CC0)

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.
Gastropoda
 Trochoidea - Trochidae
Polyplacophora
 Chitonida - Callistoplacidae
Gastropoda
 Heterostropha - Trimusculidae
Trimusculus reticulatus Sowerby 1835 button snail
 Heterostropha - Pyramidellidae
Odostomia sp. Fleming 1817 snail
 Trochoidea - Tegulidae
"Norrisia norrisi" = Norrisia norrisii
"Norrisia norrisi" = Norrisia norrisii Sowerby I 1838 snail
 Trochoidea - Phasianellidae
"Tricolia pulloides" = Eulithidium pulloides, "Tricolia aff. pulloides" = Eulithidium pulloides
"Tricolia pulloides" = Eulithidium pulloides Carpenter 1865 snail
"Tricolia aff. pulloides" = Eulithidium pulloides Carpenter 1865 snail
 Trochoidea - Skeneidae
"Parviturbo acuticostata" = Parviturbo acuticostatus
"Parviturbo acuticostata" = Parviturbo acuticostatus Carpenter 1864 snail
 Trochoidea - Turbinidae
"Homalopoma fenestratum" = Homalopoma (Homalopoma) radiatum, "Homalopoma luridum" = Homalopoma (Homalopoma) luridum
"Homalopoma fenestratum" = Homalopoma (Homalopoma) radiatum Dall 1918 snail
"Homalopoma luridum" = Homalopoma (Homalopoma) luridum Dall 1885 snail
 Lepetellida - Fissurellidae
Fissurella volcano Reeve 1849 snail
Diodora arnoldi McLean 1966 snail
 Lepetellida - Haliotidae
Haliotis cracherodii Leach 1814 abalone
Haliotis rufescens Swainson 1822 abalone
 Neotaenioglossa - Calyptraeidae
Crepipatella lingulata Gould 1846 slipper shell
Crepidula onyx Sowerby 1824 slipper shell
Crepidula nummaria Gould 1846 slipper shell
 Sorbeoconcha - Rissoidae
Rissoina kelseyi Dall and Bartsch 1902 snail
"Alvinia sp." = Manzonia (Alvinia) Monterosato 1884 snail
Alvinia purpurea Dall 1871 snail
 Sorbeoconcha - Vermetidae
"Serpulorbis squamigerus" = Thylacodes squamigerus
"Serpulorbis squamigerus" = Thylacodes squamigerus Carpenter 1857 worm shell
 Sorbeoconcha - Triphoridae
Metaxia convexa, "Triphora pedroana" = Monophorus pedroanus
Metaxia convexa Cerpenter 1857 snail
"Triphora pedroana" = Monophorus pedroanus Bartsch 1907 snail
 Sorbeoconcha - Cerithiopsidae
Seila montereyensis Bartsch 1907 snail
Cerithiopsis sp. Hanley 1849 snail
 Sorbeoconcha - Littorinidae
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata, "Littorina scutulata" = Littorina (Littorina) scutulata
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle
 Sorbeoconcha - Assimineidae
"Assiminea californica" = Assiminea translucens
"Assiminea californica" = Assiminea translucens Carpenter 1864 snail
 Sorbeoconcha - Tornidae
"Teinostoma supravallata" = Pseudorotella supravallata
"Teinostoma supravallata" = Pseudorotella supravallata Carpenter 1864 snail
 Sorbeoconcha - Hipponicidae
Antisabia panamensis Adams 1852 hoof shell
Hipponix tumens Carpenter 1864 hoof shell
 Sorbeoconcha - Cypraeidae
"Cypraea spadicea" = Neobernaya spadicea
"Cypraea spadicea" = Neobernaya spadicea Swainson 1823 cowry
 Neogastropoda - Columbellidae
Amphissa versicolor Dall 1871 snail
Mitrella tuberosa Carpenter 1864 snail
 Neogastropoda - Nassariidae
"Nassarius mendicus" = Hima mendica
"Nassarius mendicus" = Hima mendica Gould 1849 snail
 Neogastropoda -
"Mitromorpha gracilior" = Cymakra gracilior
"Mitromorpha gracilior" = Cymakra gracilior Tryon 1884 snail
 Neogastropoda - Marginellidae
Volvarina taeniolata Mörch 1860 margin shell
 Neogastropoda - Cystiscidae
Granulina margaritula Carpenter 1857 snail
 Neogastropoda - Muricidae
Ceratostoma nuttalli Conrad 1837 murex snail
Maxwellia gemma Sowerby 1879 murex snail
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Mangeliidae
"Clathromangelia aff. variegata" = Tenaturris variegata
"Clathromangelia aff. variegata" = Tenaturris variegata Carpenter 1864 snail
 Epitonioidea - Epitoniidae
Opalia sp. Adams and Adams 1853 wentletrap
 Cerithioidea - Cerithiidae
Alabina tenuisculpta Carpenter 1864 cerith snail
 Patellida - Lottiidae
"Notoacmea insessa" = Lottia insessa, "Collisella edmitchelli" = Lottia edmitchelli, "Collisella limatula" = Lottia limatula, "Collisella scabra" = Lottia scabra, "Collisella cf. pelta" = Lottia pelta
"Notoacmea insessa" = Lottia insessa Hinds 1842 limpet
"Collisella edmitchelli" = Lottia edmitchelli Lipps 1966 limpet
"Collisella limatula" = Lottia limatula Carpenter 1864 limpet
"Collisella scabra" = Lottia scabra Gould 1846 limpet
"Collisella cf. pelta" = Lottia pelta Eschscholtz 1833 limpet
Bivalvia
 Lucinida - Lucinidae
Epilucina californica Conrad 1837 clam
 Carditida - Carditidae
"Glans subquadrata" = Glans carpenteri
"Glans subquadrata" = Glans carpenteri Lamy 1922 clam
 Mytilida - Mytilidae
Septifer bifurcatus Conrad 1837 mussel
Polyplacophora
 Chitonida - Ischnochitonidae
Stenoplax heathiana Berry 1946 chiton
 Chitonida - Callistoplacidae
Nuttallina sp. Dall 1871 chiton
Callistochiton sp. Carpenter 1879 chiton
Callistochiton decoratus Pilsbry 1896 chiton
Callistochiton palmulatus Dall 1879 chiton
Callistochiton crassicostatus Pilsbry 1893 chiton
 Neoloricata - Chaetopleuridae
Chaetopleura gemma Carpenter 1879 chiton