Undifferentiated early-middle Pleistocene terraces - [Quaternary terrace] (Pleistocene to of the United States)

Where: Los Angeles County, California (33.8° N, 118.4° W: paleocoordinates 33.7° N, 118.0° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Quaternary terrace Formation, Early/Lower Pleistocene to Early/Lower Pleistocene (2.6 - 0.0 Ma)

• LITHOSTRATIGRAPHY: From the marine terraces older than the Palos Verdes Sand of Woodring et al. (1946). AGE: Lower Pleistocene in Woodring et al. (1946) and Valentine PhD [likely early-late Pleistocene, A. Hendy]. STRATIGRAPHIC POSITION: Third through twelve terrace.

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; unlithified, conglomeratic sandstone

• ENVIRONMENT: Typically containing a shoreface fauna.
• SPECIFIC LITHOLOGY: Not listed, but generally a unconsolidated conglomeratic sand. LITHIFICATION: Not stated, but typically unlithified.

Size classes: macrofossils, mesofossils

Preservation: original aragonite, original calcite

Collected by W. Woodring in 1930-1935; reposited in the USGS, USNM

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

• COLLECTOR: W. Woodring, 1930-1935. REPOSITORY: USGS, now Smithsonian.

Primary reference: W. P. Woodring, M. N. Bramlette, and W. S. W. Kew. 1946. Geology and Paleontology of Palos Verdes Hills, California. US Geological Survey Professional Paper 207:1-145 [M. Uhen/M. Shalap/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 223075: authorized by Austin Hendy, entered by Austin Hendy on 03.11.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Updated to 1960s era, so somewhat antiquated but standardized and typically resolved to species resolution.
unclassified
  -
Acmea stimpsoni
=Truncatella stimpsoni
Acmea californica
=Truncatella californica
Gastropoda
 Patellida - Lottiidae
Acmaea mitra, "Acmaea insessa" = Lottia insessa, "Acmaea limatula" = Lottia limatula, "Acmaea scabra" = Lottia scabra, "Acmaea asmi" = Lottia asmi, "Acmaea persona" = Lottia persona
Acmaea mitra Eschscholtz 1833 limpet
1935
"Acmaea insessa" = Lottia insessa Hinds 1842 limpet
"Acmaea limatula" = Lottia limatula Carpenter 1864 limpet
"Acmaea scabra" = Lottia scabra Gould 1846 limpet
"Acmaea asmi" = Lottia asmi Middendorff 1847 limpet
"Acmaea persona" = Lottia persona Eschesholtz 1833 limpet
 Heterostropha - Trimusculidae
Trimusculus reticulatus Sowerby 1835 button snail
 Heterostropha - Pyramidellidae
 Lepetellida - Fissurellidae
Fissurella volcano Reeve 1849 snail
 Trochoidea - Trochidae
"Pupillaria optabilis" = Lirularia optabilis, Tegula ligulata, "Tegula aureotincta" = Chlorostoma aureotincta, Calliostoma supragranosum, "Calliostoma doliarium" = Calliostoma canaliculatum, Calliostoma ligatum
"Pupillaria optabilis" = Lirularia optabilis Carpenter 1864 top snail
Tegula ligulata Menke 1850 top snail
"Tegula aureotincta" = Chlorostoma aureotincta Forbes 1852 top snail
Calliostoma supragranosum Carpenter 1864 top snail
"Calliostoma doliarium" = Calliostoma canaliculatum Lightfoot 1786 top snail
Calliostoma ligatum Gould 1849 top snail
 Trochoidea - Liotiidae
Liotia fenestrata Carpenter 1864 snail
 Trochoidea - Turbinidae
Homalopoma paucicostatum, "Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum, "Homalopoma bacula" = Homalopoma (Homalopoma) baculum, "Homalopoma radiatum" = Homalopoma (Homalopoma) radiatum, "Pupillaria succincta" = Margarites (Pupillaria)
Homalopoma paucicostatum Dall 1871 snail
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum Dall 1885 snail
"Homalopoma bacula" = Homalopoma (Homalopoma) baculum Carpenter 1864 snail
"Homalopoma radiatum" = Homalopoma (Homalopoma) radiatum Dall 1918 snail
AS: Homalopoma paucicostatum fenestratum
"Pupillaria succincta" = Margarites (Pupillaria) snail
 Trochoidea - Tegulidae
Tegula brunneri snail
1935
 Cerithioidea - Cerithiidae
Bittium eschrichti cerith snail
1935
 Cerithioidea - Turritellidae
Turritella pedroensis Applin 1920 turret shell
1935
 Neogastropoda - Mitridae
"Mitra idae" = Mitra (Atrimitra) idae
"Mitra idae" = Mitra (Atrimitra) idae Melville 1893 mitre shell
 Neogastropoda - Muricidae
"Acanthina spirata" = Acanthinucella spirata, "Ocinebra interfossa" = Paciocinebrina interfossa
"Acanthina spirata" = Acanthinucella spirata Blainville 1832 murex snail
"Ocinebra interfossa" = Paciocinebrina interfossa Carpenter 1864 murex snail
 Neogastropoda - Cystiscidae
"Cystiscus regularis" = Gibberula subtrigona, "Cypraeolina pyriformis" = Granulina margaritula
"Cystiscus regularis" = Gibberula subtrigona Carpenter 1864 snail
"Cypraeolina pyriformis" = Granulina margaritula Carpenter 1857 snail
 Neogastropoda - Marginellidae
"Hyalina californica" = Volvarina taeniolata
"Hyalina californica" = Volvarina taeniolata Mörch 1860 margin shell
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Columbellidae
"Mitrella carinata" = Alia carinata Hinds 1844 dovesnail
Amphissa versicolor Dall 1871 snail
Mitrella gausapata Gould 1850 snail
AS: Mitrella carinata gausapata
Mitrella tuberosa Carpenter 1864 snail
 Neogastropoda - Olividae
"Olivella biplicata" = Callianax biplicata, "Olivella baetica" = Callianax baetica
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
"Olivella baetica" = Callianax baetica Carpenter 1864 olive snail
 Sorbeoconcha - Littorinidae
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata, "Littorina planaxis" = Littorina (Neritrema) keenae, "Littorina scutulata" = Littorina (Littorina) scutulata
"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 - Rissoidae
"Alvania purpurea" = Alvinia purpurea, "Alvania montereyensis" = Onoba carpenteri, "Alvania acutelirata" = Actonia compacta, Alvania almo
"Alvania purpurea" = Alvinia purpurea Dall 1871 snail
"Alvania montereyensis" = Onoba carpenteri Weinkauff 1885 snail
"Alvania acutelirata" = Actonia compacta Carpenter 1864 snail
 Sorbeoconcha - Barleeiidae
Barleeia haliotiphila Carpenter 1864 snail
 Sorbeoconcha - Hipponicidae
Antisabia panamensis Adams 1852 hoof shell
Hipponix tumens Carpenter 1864 hoof shell
 Sorbeoconcha - Vermetidae
 Sorbeoconcha - Triphoridae
"Triphora pedroana" = Monophorus pedroanus
"Triphora pedroana" = Monophorus pedroanus Bartsch 1907 snail
 Sorbeoconcha - Cerithiopsidae
Cerithiopsis berryi snail
SUBSPECIES: Cerithiopsis berryi williamsoni
"Cerithiopsis cosmia" = Cerithiopsidella cosmia Bartsch 1907 snail
Cerithiopsidella fossilis Bartsch 1911 snail
SUBSPECIES: Cerithiopsis arnoldi fossilis
 Sorbeoconcha - Tornidae
Pseudorotella supravallata Carpenter 1864 snail
 Sorbeoconcha - Vitrinellidae
Vitrinella oldroydi Bartsch 1907 snail
 Sorbeoconcha - Caecidae
Caecum californicum, "Micranellum crebricinctum" = Caecum crebricinctum, Fartulum orcutti, "Fartulum occidentale" = Fartulum dextroversum
Caecum californicum Dall 1885 snail
"Micranellum crebricinctum" = Caecum crebricinctum Carpenter 1864 snail
Fartulum orcutti Dall in Orcutt 1885 snail
"Fartulum occidentale" = Fartulum dextroversum Carpenter 1857 snail
 Sorbeoconcha - Procerithiidae
"Bittium attenuatum" = Lirobittium attenuatum, "Bittium armillatum" = Lirobittium armillatum, "Bittium interfossum" = Lirobittium interfossum
"Bittium attenuatum" = Lirobittium attenuatum Carpenter 1864 snail
"Bittium armillatum" = Lirobittium armillatum Carpenter 1864 snail
1935
"Bittium interfossum" = Lirobittium interfossum Carpenter 1864 snail
 Neotaenioglossa - Calyptraeidae
Crucibulum spinosum Conrad 1855 slipper shell
Crepidula adunca Sowerby 1824 slipper shell
Crepidula onyx Sowerby 1824 slipper shell
Crepidula nummaria Gould 1846 slipper shell
Crepipatella lingulata Gould 1846 slipper shell
Bostrycapulus decorus Collin 2019 slipper shell
Bivalvia
 Cardiida - Lasaeidae
"Lasaea cistula" = Lasaea adansoni
"Lasaea cistula" = Lasaea adansoni Gmelin 1791 clam
 Cardiida - Semelidae
Cumingia californica Conrad 1837 clam
 Cardiida - Chamidae
"Pseudochama exogyra" = Chama exogyra
"Pseudochama exogyra" = Chama exogyra Conrad 1837 jewel box
 Carditida - Carditidae
"Glans subquadrata" = Glans carpenteri
"Glans subquadrata" = Glans carpenteri Lamy 1922 clam
 Mytilida - Mytilidae
Mytilus californianus Conrad 1837 mussel
Pseudorotella invallata
  -
"Pseudorotella invallata" = Pseudorotella supravallatum
"Pseudorotella invallata" = Pseudorotella supravallatum Carpenter 1864