Signal Hill [Palos Verdes Sand] (Pleistocene of the United States)

Where: Los Angeles County, California (33.8° N, 118.2° W: paleocoordinates 33.7° N, 117.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Palos Verdes Sand Formation, Late/Upper Pleistocene (0.1 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Palos Verdes Sands, which unconformably overlie the San Pedro Sand Fm, and are overlain unconformably by Holocene sediments. AGE: Late Pleistocene in text. STRATIGRAPHIC POSITION: From the basal fossiliferous gravel at this location.

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified, shelly/skeletal gravel

• SPECIFIC LITHOLOGY: Fossiliferous unconsolidated gravel. LITHIFICATION: Unlithified, on the basis of facies description.

Size class: macrofossils

Collected by DeLong in 1938

Collection methods: surface (in situ),

• COLLECTOR: DeLong, 1938. REPOSITORY: Not stated in text.

Primary reference: J. H. DeLong, Jr. 1941. The paleontology and stratigraphy of the Pleistocene at Signal hill, Long Beach, California. Transactions of the San Diego Society of Natural History 9:229-250 [A. Hendy/A. Hendy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96895: authorized by Austin Hendy, entered by Austin Hendy on 09.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Not an authoritative publication, and with somewhat antiquated nomenclature, but with species-resolution identifications.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium neohexagonum Sharp and Pilsbry 1897 tusk shell
Gastropoda
 Epitonioidea - Epitoniidae
Epitonium indianorum Carpenter 1864 wentletrap
 Vanikoroidea - Eulimidae
Melanella hastata, "Melanella micans" = Balcis micans
"Melanella micans" = Balcis micans Carpenter 1864 snail
 Neotaenioglossa - Calyptraeidae
Crepidula sp. Lamarck 1799 slipper shell
Crepidula nummaria Gould 1846 slipper shell
Crepidula onyx Sowerby 1824 slipper shell
"Crepidula lessoni" = Crepidula lessonii Broderip 1834 slipper shell
SPELT AS: C. crepidula lessoni
Crepidula excavata Broderip 1834 slipper shell
Crepidula adunca Sowerby 1824 slipper shell
Crucibulum spinosum Conrad 1855 slipper shell
Calyptraea mamillaris Broderip 1834 slipper shell
 Cerithioidea - Potamididae
"Cerithidea californica" = Cerithideopsis californica
"Cerithidea californica" = Cerithideopsis californica Haldeman 1840 horn snail
SPELT AS: Ceritidea californica
 Cerithioidea - Turritellidae
Turritella cooperi Carpenter 1864 turret shell
 Sorbeoconcha - Naticidae
Polinices lewisii, "Neverita recluziana" = Glossaulax reclusiana, "Neverita alta" = Glossaulax altus
Polinices lewisii Gould 1847 moon snail
"Neverita recluziana" = Glossaulax reclusiana Deshayes 1839 moon snail
"Neverita alta" = Glossaulax altus Arnold 1903 moon snail
 Sorbeoconcha - Littorinidae
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle
 Neogastropoda - Olividae
"Olivella pedroana" = Callianax pedroana, "Olivella biplicata" = Callianax biplicata
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
 Neogastropoda - Nassariidae
"Nassarius tegula" = Phrontis tegula, "Nassarius californianus" = Caesia californiana, "Nassarius fossatus" = Caesia fossatus, "Nassarius perpinguis" = Caesia perpinguis, "Nassarius cerritensis" = Caesia cerritensis, "Nassarius mendicus" = Hima mendica
"Nassarius tegula" = Phrontis tegula Reeve 1853 snail
"Nassarius californianus" = Caesia californiana Conrad 1856 snail
"Nassarius fossatus" = Caesia fossatus Gould 1849 snail
"Nassarius perpinguis" = Caesia perpinguis Hinds 1844 snail
"Nassarius cerritensis" = Caesia cerritensis Arnold 1903 snail
"Nassarius mendicus" = Hima mendica Gould 1849 snail
 Neogastropoda - Columbellidae
Mitrella tuberosa Carpenter 1864 snail
"Mitrella carinata" = Alia carinata Hinds 1844 dovesnail
Amphissa columbiana Dall 1916 snail
Amphissa versicolor Dall 1871 snail
 Neogastropoda - Marginellidae
"Hyalina californica" = Volvarina taeniolata
"Hyalina californica" = Volvarina taeniolata Mörch 1860 margin shell
 Neogastropoda - Muricidae
"Tritonalia lurida" = Paciocinebrina lurida, "Purpura festiva" = Pteropurpura festiva, Purpura nuttallii, "Acanthina spirata" = Acanthinucella spirata
"Tritonalia lurida" = Paciocinebrina lurida Middendorff 1848 murex snail
"Purpura festiva" = Pteropurpura festiva Hinds 1844 murex snail
Purpura nuttallii murex snail
"Acanthina spirata" = Acanthinucella spirata Blainville 1832 murex snail
 Neogastropoda -
"Tritonalia poulsoni" = Roperia poulsoni
"Tritonalia poulsoni" = Roperia poulsoni Carpenter 1864 snail
 Neogastropoda - Terebridae
Neoterebra pedroana3 Dall 1908 auger snail
 Neogastropoda - Conidae
"Lora sp." = Oenopota, "Conus californicus" = Californiconus californicus
"Lora sp." = Oenopota Mörch 1852 cone shell
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Mangeliidae
"Mangelia hecetae" = Kurtziella hecetae, "Mangelia variegata" = Tenaturris variegata
"Mangelia hecetae" = Kurtziella hecetae Dall and Bartsch 1910 snail
"Mangelia variegata" = Tenaturris variegata Carpenter 1864 snail
 Neogastropoda - Turridae
"Moniliopsis incisa" = Ophiodermella incisa
"Moniliopsis incisa" = Ophiodermella incisa Carpenter 1863 turrid
 Heterostropha - Pyramidellidae
"Turbonilla pedroana" = Pyrgolampros pedroana, Turbonilla torquata, "Turbonilla tridentata" = Paramormula tridentata
"Turbonilla pedroana" = Pyrgolampros pedroana Dall and Bartsch 1903 snail
Turbonilla torquata Gould 1853 snail
"Turbonilla tridentata" = Paramormula tridentata Carpenter 1865 snail
 Heterostropha - Ellobiidae
 Heterostropha - Acteonidae
"Acteon punctocaelatus" = Rictaxis punctocaelatus
"Acteon punctocaelatus" = Rictaxis punctocaelatus Carpenter 1864 snail
 Trochoidea - Trochidae
Calliostoma canaliculatum Lightfoot 1786 top snail
Calliostoma tricolor Gabb 1865 top snail
Calliostoma gemmulatum Carpenter 1864 top snail
Tegula ligulata Menke 1850 top snail
 Trochoidea - Phasianellidae
"Tricolia compta" = Eulithidium comptum, "Tricolia pulloides" = Eulithidium pulloides
"Tricolia compta" = Eulithidium comptum Gould 1855 snail
"Tricolia pulloides" = Eulithidium pulloides Carpenter 1865 snail
 Lepetellida - Fissurellidae
Diodora aspera Rathke 1833 snail
"Megatebennus bimaculata" = Fissurellidea bimaculata Dall 1871 snail
 Opisthobranchia - Retusidae
Volvulella cylindrica Carpenter 1865 snail
 Opisthobranchia - Cylichnidae
"Retusa carinata" = Acteocina inculta
"Retusa carinata" = Acteocina inculta Gould 1855 barrel-bubble
 Opisthobranchia - Bullidae
 Patellida - Lottiidae
"Acmaea insessa" = Lottia insessa
"Acmaea insessa" = Lottia insessa Hinds 1842 limpet
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam
 Nuculanida - Yoldiidae
"Yoldia cooperi" = Yoldia (Kalayoldia) cooperii
"Yoldia cooperi" = Yoldia (Kalayoldia) cooperii Gabb 1865 clam
 Nuculida - Nuculidae
"Nucula exigua" = Nucula (Lamellinucula) exigua Sowerby 1833 nut clam
 Thraciida - Periplomatidae
"Periploma planiuscula" = Periploma (Periploma) planiuscula
"Periploma planiuscula" = Periploma (Periploma) planiuscula Sowerby I 1834 clam
 Pholadida - Pholadidae
 Pholadida - Corbulidae
"Corbula luteola" = Caryocorbula luteola
"Corbula luteola" = Caryocorbula luteola Carpenter 1864 clam
 Pholadida - Myidae
"Mya cancellata" = Platyodon cancellatus Conrad 1837 softshell clam
Cryptomya californica Conrad 1837 softshell clam
 Cardiida - Chamidae
"Pseudochama exogyra" = Chama exogyra, Chama arcana1
"Pseudochama exogyra" = Chama exogyra Conrad 1837 jewel box
Chama arcana1 Bernard 1976 jewel box
 Cardiida - Ungulinidae
"Taras pariiis" = Diplodonta
"Taras pariiis" = Diplodonta clam
 Cardiida - Veneridae
Amiantis callosa, "Pitar squalidus" = Megapitaria squalida, "Venerupis staminea" = Leukoma staminea, "Venus gnidia" = Chionopsis gnidia, Venus purpurissata, "Venus fluctifraga" = Chionista fluctifraga, Dosinia ponderosa, "Tivela stultorum" = Tivela (Pachydesma) stultorum, "Petricola carditoides" = Petricola (Petricola) carditoides, "Petricola denticulata" = Petricola (Petricolirus) denticulata
Amiantis callosa Conrad 1837 venus clam
"Pitar squalidus" = Megapitaria squalida Sowerby 1833 venus clam
"Venerupis staminea" = Leukoma staminea Conrad 1837 venus clam
"Venus gnidia" = Chionopsis gnidia Broderip and Sowerby I 1829 venus clam
Venus purpurissata venus clam
"Venus fluctifraga" = Chionista fluctifraga Sowerby 1853 venus clam
Dosinia ponderosa Gray 1838 venus clam
"Tivela stultorum" = Tivela (Pachydesma) stultorum Mawe 1823 venus clam
"Petricola carditoides" = Petricola (Petricola) carditoides Conrad 1837 venus clam
"Petricola denticulata" = Petricola (Petricolirus) denticulata Sowerby 1834 venus clam
 Cardiida - Mactridae
"Mactra elegans" = Harvella elegans, "Mactra hemphilli" = Mactromeris hemphillii, "Mactra planulata" = Simomactra planulata, "Mactra nasuta" = Mactrotoma nasuta, "Mactra californica" = Mactrotoma californica, "Schizothaerus nuttallii" = Tresus nuttallii
"Mactra elegans" = Harvella elegans Sowerby 1825 clam
"Mactra hemphilli" = Mactromeris hemphillii Dall 1894 clam
"Mactra planulata" = Simomactra planulata Conrad 1837 clam
"Mactra nasuta" = Mactrotoma nasuta Gould 1851 surfclam
"Mactra californica" = Mactrotoma californica Conrad 1837 surfclam
"Schizothaerus nuttallii" = Tresus nuttallii Conrad 1837 clam
 Cardiida - Psammobiidae
"Sanguinolaria nuttallii" = Nuttallia nuttallii
"Sanguinolaria nuttallii" = Nuttallia nuttallii Conrad 1837 clam
 Cardiida - Solecurtidae
"Tagelus californianus" = Tagelus (Tagelus) californianus
"Tagelus californianus" = Tagelus (Tagelus) californianus Conrad 1837 clam
 Cardiida - Tellinidae
"Macoma moesta" = Macoma (Macoma) moesta, "Macoma secta" = Rexithaerus secta, "Macoma indentata" = Macoma (Rexithaerus) indentata, Macoma nasuta, "Tellina buttoni" = Ameritella modesta, "Tellina meropsis" = Tampaella meropsis, "Apolymetis biangulata" = Leporimetis obesa, "Tellina bodegensis" = Megangulus bodegensis
"Macoma moesta" = Macoma (Macoma) moesta Deshayes 1855 tellin clam
"Macoma secta" = Rexithaerus secta Conrad 1837 tellin clam
"Macoma indentata" = Macoma (Rexithaerus) indentata Carpenter 1864 tellin clam
Macoma nasuta Conrad 1837 tellin clam
"Tellina buttoni" = Ameritella modesta Carpenter 1864 tellin clam
"Tellina meropsis" = Tampaella meropsis Dall 1900 tellin clam
"Apolymetis biangulata" = Leporimetis obesa Deshayes 1855 tellin clam
"Tellina bodegensis" = Megangulus bodegensis Hinds 1844 tellin clam
 Cardiida - Donacidae
"Donax gouldii" = Donax (Donax) gouldii, "Donax californicus" = Donax (Paradonax) californicus
"Donax gouldii" = Donax (Donax) gouldii Dall 1921 clam
"Donax californicus" = Donax (Paradonax) californicus Conrad 1837 clam
 Cardiida - Semelidae
"Semele pulchra" = Semele (Semele) pulchra Sowerby I 1832 clam
"Semele decisa" = Semele (Semele) decisa Conrad 1837 clam
Cumingia californica3 Conrad 1837 clam
 Cardiida - Cardiidae
Laevicardium substriatum, "Laevicardium quadragenarium" = Dallocardia quadragenarium, "Laevicardium procerum" = Mexicardia procera
Laevicardium substriatum Conrad 1837 cockle
"Laevicardium quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle
"Laevicardium procerum" = Mexicardia procera Sowerby 1833 cockle
 Lucinida - Lucinidae
"Lucina nuttallii" = Lucinisca nuttalli
"Lucina nuttallii" = Lucinisca nuttalli Conrad 1837 clam
 Carditida - Crassatellidae
"Crassinella branneri" = Crassinella pacifica
"Crassinella branneri" = Crassinella pacifica Adams 1852 clam
 Mytilida - Mytilidae
"Volsella recta" = Modiolatus rectus
"Volsella recta" = Modiolatus rectus Conrad 1837 mussel
 Pectinida - Pectinoidae
"Pecten gibbus" = Argopecten gibbus, "Pecten latiauratus" = Leptopecten latiauratus, "Pecten multirugosus" = Crassadoma gigantea
"Pecten gibbus" = Argopecten gibbus Linnaeus 1758 calico scallop
"Pecten latiauratus" = Leptopecten latiauratus Conrad 1837 scallop
"Pecten multirugosus" = Crassadoma gigantea Gray 1825 scallop
 Pectinida - Limidae
Limaria hemphilli2 Hertlein and Strong 1946 file clam
 Pectinida - Anomiidae
"Pododesmus macroschisma" = Pododesmus (Monia) macrochisma, Anomia peruviana
"Pododesmus macroschisma" = Pododesmus (Monia) macrochisma Deshayes 1839 scallop
Anomia peruviana d'Orbigny 1846 jingle
 Ostreida - Ostreidae
Ostrea lurida Carpenter 1864 oyster
Malacostraca
 Decapoda - Cancridae
Cancer sp. Linnaeus 1758 crab
Thecostraca
 Balanomorpha - Balanidae
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle