LACMIP Loc. 1308 (Pleistocene of the United States)

Also known as Marincovich Site 7-2

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

• coordinate estimated from map

• small collection-level geographic resolution

When: Middle Pleistocene (0.8 - 0.1 Ma)

• LITHOSTRATIGRAPHY: From unnamed Quaternary terrace, which locally overlies Altamira Shale (middle-late Miocene). AGE: Late Pleistocene, following Marincovich (1976), but edited to middle 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 & L. Marincovich; reposited in the LACM

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

• COLLECTOR: W. Easton and 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 202494: 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.
Bivalvia
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
as "Pecten sp."
 Mytilida - Mytilidae
Modiolus sp. Lamarck 1801 mussel
Septifer bifurcatus Conrad 1837 mussel
Mytilus sp. Linnaeus 1758 mussel
 Cardiida - Semelidae
Cumingia californica Conrad 1837 clam
 Cardiida - Chamidae
Chama arcana Bernard 1976 jewel box
 Cardiida - Veneridae
"Transenella tantilla" = Nutricola tantilla, "Ventricola fordi" = Globivenus fordii
"Transenella tantilla" = Nutricola tantilla Gould 1853 venus clam
"Ventricola fordi" = Globivenus fordii Yates 1890 venus clam
 Cardiida - Lasaeidae
"Lasaea cf. subviridus" = Lasaea adansoni
"Lasaea cf. subviridus" = Lasaea adansoni Gmelin 1791 clam
 Pholadida - Pholadidae
"Nettastomella rostrata" = Netastoma rostratum, Penitella sp.
"Nettastomella rostrata" = Netastoma rostratum Valenciennes 1846 clam
Penitella sp. Valenciennes 1846 clam
 Lucinida - Lucinidae
Epilucina californica Conrad 1837 clam
 Carditida - Carditidae
"Glans subquadrata" = Glans carpenteri, Milneria cf. minima
"Glans subquadrata" = Glans carpenteri Lamy 1922 clam
Milneria cf. minima Dall 1871 clam
Polyplacophora
 Chitonida - Callistoplacidae
Callistochiton palmulatus Dall 1879 chiton
Callistochiton decoratus Pilsbry 1896 chiton
Callistochiton crassicostatus Pilsbry 1893 chiton
Nuttallina sp. Dall 1871 chiton
 Neoloricata - Mopaliidae
Mopalia muscosa Gould 1846 chiton
Mopalia cf. lowei Pilsbry 1918 chiton
 Neoloricata - Ischnochitonidae
Stenoplax cf. magdalenensis Hinds 1845 magdalena chiton
 Neoloricata - Chaetopleuridae
Chaetopleura gemma Carpenter 1879 chiton
Gastropoda
 Patellida - Lottiidae
"Collisella edmitchelli" = Lottia edmitchelli, "Notoacmea insessa" = Lottia insessa, "Collisella scabra" = Lottia scabra, "Collisella limatula" = Lottia limatula
"Collisella edmitchelli" = Lottia edmitchelli Lipps 1966 limpet
"Notoacmea insessa" = Lottia insessa Hinds 1842 limpet
"Collisella scabra" = Lottia scabra Gould 1846 limpet
"Collisella limatula" = Lottia limatula Carpenter 1864 limpet
 Opisthobranchia - Cylichnidae
Acteocina cf. harpa Dall 1871 barrel-bubble
 Epitonioidea - Epitoniidae
Epitonium sp. Bolten 1798 wentletrap
 Neotaenioglossa - Calyptraeidae
Crepidula nummaria, "Crepidula cf. coei" = Crepidula naticarum
Crepidula nummaria Gould 1846 slipper shell
"Crepidula cf. coei" = Crepidula naticarum Williamson 1905 slipper shell
 Neogastropoda - Nassariidae
"Nassarius fossatus" = Caesia fossatus
"Nassarius fossatus" = Caesia fossatus Gould 1849 snail
 Neogastropoda - Columbellidae
Mitrella tuberosa, "Mitrella carinata" = Alia carinata, Amphissa versicolor, "Nassarina penicillata" = Zanassarina penicillata
Mitrella tuberosa Carpenter 1864 snail
"Mitrella carinata" = Alia carinata Hinds 1844 dovesnail
Amphissa versicolor Dall 1871 snail
"Nassarina penicillata" = Zanassarina penicillata Carpenter 1864 snail
 Neogastropoda - Mangeliidae
"Clathromangelia cf. variegata" = Tenaturris variegata
"Clathromangelia cf. variegata" = Tenaturris variegata Carpenter 1864 snail
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Muricidae
"Ocenebra interfossa" = Paciocinebrina interfossa
"Ocenebra interfossa" = Paciocinebrina interfossa Carpenter 1864 murex snail
 Neogastropoda - Cystiscidae
Granulina margaritula, "Granulina subtrigona" = Gibberula subtrigona
Granulina margaritula Carpenter 1857 snail
"Granulina subtrigona" = Gibberula subtrigona Carpenter 1864 snail
 Neogastropoda - Olividae
"Olivella cf. baetica" = Callianax baetica
"Olivella cf. baetica" = Callianax baetica Carpenter 1864 olive snail
 Sorbeoconcha - Caecidae
Caecum sp., Caecum californicum, "Caecum dalli" = Caecum quadratum, "Fartulum occidentale" = Fartulum dextroversum
Caecum sp. Fleming 1813 snail
Caecum californicum Dall 1885 snail
"Caecum dalli" = Caecum quadratum Carpenter 1857 snail
"Fartulum occidentale" = Fartulum dextroversum Carpenter 1857 snail
 Sorbeoconcha - Tornidae
"Teinostoma supravallata" = Pseudorotella supravallata
"Teinostoma supravallata" = Pseudorotella supravallata Carpenter 1864 snail
 Sorbeoconcha - Hipponicidae
Hipponix tumens Carpenter 1864 hoof shell
Antisabia panamensis Adams 1852 hoof shell
 Sorbeoconcha - Rissoidae
"Alvinia compacta" = Actonia compacta, Rissoina kelseyi, Alvinia purpurea, Alvinia cosmia, "Alvinia cf. carpenteri" = Onoba carpenteri
"Alvinia compacta" = Actonia compacta Carpenter 1864 snail
Rissoina kelseyi Dall and Bartsch 1902 snail
Alvinia purpurea Dall 1871 snail
Alvinia cosmia Bartsch 1911 snail
"Alvinia cf. carpenteri" = Onoba carpenteri Weinkauff 1885 snail
 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
"Littorina planaxis" = Littorina (Neritrema) keenae, "Littorina scutulata" = Littorina (Littorina) scutulata, "Lacuna unifasciata" = Lacuna (Epheria) unifasciata
"Littorina planaxis" = Littorina (Neritrema) keenae Rosewater 1978 periwinkle
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle
 Sorbeoconcha - Vermetidae
Petaloconchus sp., "Petaloconchus cf. montereyensis" = Petaloconchus compactus
Petaloconchus sp. Lea 1843 worm shell
"Petaloconchus cf. montereyensis" = Petaloconchus compactus Carpenter 1864 worm shell
 Sorbeoconcha - Procerithiidae
"Bittium cf. attenuatum" = Lirobittium attenuatum
"Bittium cf. attenuatum" = Lirobittium attenuatum Carpenter 1864 snail
 Vanikoroidea - Eulimidae
Balcis micans, "Balcis cf. thersites" = Melanella thersites
Balcis micans Carpenter 1864 snail
"Balcis cf. thersites" = Melanella thersites Carpenter 1864 snail
 Lepetellida - Fissurellidae
Fissurella volcano Reeve 1849 snail
 Trochoidea - Phasianellidae
Tricolia sp. Risso 1826 snail
 Trochoidea - Trochidae
"Tegula gallina" = Chlorostoma gallina Forbes 1850 top snail
SUBSPECIES: Tegula gallina multifilosa
Lirularia cf. succincta Carpenter 1864 top snail
 Trochoidea - Skeneidae
"Parviturbo acuticostata" = Parviturbo acuticostatus
"Parviturbo acuticostata" = Parviturbo acuticostatus Carpenter 1864 snail
 Trochoidea - Turbinidae
"Homalopoma luridum" = Homalopoma (Homalopoma) luridum
"Homalopoma luridum" = Homalopoma (Homalopoma) luridum Dall 1885 snail
 Heterostropha - Pyramidellidae
"Odostomia navisa" = Ividella navisa, Turbonilla sp., "Odostomia cf. trachis" = Boonea inflecta, "Odostomia turricula" = Ivara turricula, "Odostomia aepynota" = Ividia aepynota
"Odostomia navisa" = Ividella navisa Dall and Bartsch 1907 snail
Turbonilla sp. Risso 1826 snail
"Odostomia cf. trachis" = Boonea inflecta Dall 1897 snail
"Odostomia turricula" = Ivara turricula Dall et al. 1901 snail
"Odostomia aepynota" = Ividia aepynota Dall and Bartsch 1909 snail