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
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
Thecostraca | |
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle | |
Malacostraca | |
Cancer sp. Linnaeus 1758 crab | |
Scaphopoda | |
Dentalium neohexagonum Sharp and Pilsbry 1897 tusk shell | |
Gastropoda | |
Turbonilla torquata, "Turbonilla pedroana" = Pyrgolampros pedroana, "Turbonilla tridentata" = Paramormula tridentata
Turbonilla torquata Gould 1853 snail
"Turbonilla pedroana" = Pyrgolampros pedroana Dall and Bartsch 1903 snail
"Turbonilla tridentata" = Paramormula tridentata Carpenter 1865 snail | |
Melampus olivaceous snail | |
"Acteon punctocaelatus" = Rictaxis punctocaelatus
"Acteon punctocaelatus" = Rictaxis punctocaelatus Carpenter 1864 snail | |
Epitonium indianorum Carpenter 1864 wentletrap | |
"Cerithidea californica" = Cerithideopsis californica
"Cerithidea californica" = Cerithideopsis californica Haldeman 1840 horn snail SPELT AS: Ceritidea californica
| |
Turritella cooperi Carpenter 1864 turret shell | |
Melanella hastata, "Melanella micans" = Balcis micans
Melanella hastata snail
"Melanella micans" = Balcis micans Carpenter 1864 snail | |
Calyptraea mamillaris, Crepidula sp., Crepidula nummaria, Crepidula onyx, Crepidula adunca, "Crepidula lessoni" = Crepidula lessonii, Crepidula excavata, Crucibulum spinosum
Calyptraea mamillaris Broderip 1834 slipper shell
Crepidula sp. Lamarck 1799 slipper shell
Crepidula nummaria Gould 1846 slipper shell
Crepidula onyx Sowerby 1824 slipper shell
Crepidula adunca Sowerby 1824 slipper shell
Crepidula excavata Broderip 1834 slipper shell
Crucibulum spinosum Conrad 1855 slipper shell | |
"Hyalina californica" = Volvarina taeniolata
"Hyalina californica" = Volvarina taeniolata Mörch 1860 margin shell | |
"Acanthina spirata" = Acanthinucella spirata, "Tritonalia lurida" = Paciocinebrina lurida, "Purpura festiva" = Pteropurpura festiva, Purpura nuttallii, "Tritonalia poulsoni" = Purpura (Tritonalia)
"Acanthina spirata" = Acanthinucella spirata Blainville 1832 murex snail
"Tritonalia lurida" = Paciocinebrina lurida Middendorff 1848 murex snail
"Purpura festiva" = Pteropurpura festiva Hinds 1844 murex snail
Purpura nuttallii murex snail
"Tritonalia poulsoni" = Purpura (Tritonalia) murex snail | |
"Olivella biplicata" = Callianax biplicata, "Olivella pedroana" = Callianax pedroana
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail | |
"Nassarius tegula" = Phrontis tegula, Nassarius cerritensis, "Nassarius fossatus" = Caesia fossatus, "Nassarius californianus" = Caesia californiana, "Nassarius perpinguis" = Caesia perpinguis, "Nassarius mendicus" = Hima mendica
"Nassarius tegula" = Phrontis tegula Reeve 1853 snail
Nassarius cerritensis snail
"Nassarius fossatus" = Caesia fossatus Gould 1849 snail
"Nassarius californianus" = Caesia californiana Conrad 1856 snail
"Nassarius perpinguis" = Caesia perpinguis Hinds 1844 snail
"Nassarius mendicus" = Hima mendica Gould 1849 snail | |
Mitrella tuberosa Carpenter 1864 snail
Amphissa versicolor Dall 1871 snail
Amphissa columbiana Dall 1916 snail
"Mitrella carinata" = Alia carinata Hinds 1844 dovesnail | |
"Mangelia variegata" = Tenaturris variegata, "Mangelia hecetae" = Kurtziella hecetae
"Mangelia variegata" = Tenaturris variegata Carpenter 1864 snail
"Mangelia hecetae" = Kurtziella hecetae Dall and Bartsch 1910 snail | |
"Moniliopsis incisa" = Ophiodermella incisa
"Moniliopsis incisa" = Ophiodermella incisa Carpenter 1863 turrid | |
| |
"Lora sp." = Oenopota, "Conus californicus" = Californiconus californicus
"Lora sp." = Oenopota Mörch 1852 cone shell
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell | |
"Neverita recluziana" = Glossaulax reclusiana Deshayes 1839 moon snail
Neverita alta Arnold 1903 moon snail
Polinices lewisii Gould 1847 moon snail | |
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle | |
Tegula ligulata snail | |
Calliostoma canaliculatum Lightfoot 1786 top snail
Calliostoma gemmulatum Carpenter 1864 top snail
Calliostoma tricolor Gabb 1865 top snail | |
"Tricolia compta" = Eulithidium comptum, "Tricolia pulloides" = Eulithidium pulloides
"Tricolia compta" = Eulithidium comptum Gould 1855 snail
"Tricolia pulloides" = Eulithidium pulloides Carpenter 1865 snail | |
Lucapinella callomarginata Dall 1872 snail
"Megatebennus bimaculata" = Fissurellidea bimaculata Dall 1871 snail
Diodora aspera Rathke 1833 snail | |
Bulla punctulatus snail | |
Volvulella cylindrica Carpenter 1865 snail
Retusa culcitella snail | |
"Retusa carinata" = Acteocina inculta
"Retusa carinata" = Acteocina inculta Gould 1855 barrel-bubble | |
"Acmaea insessa" = Lottia insessa
"Acmaea insessa" = Lottia insessa Hinds 1842 limpet | |
Bivalvia | |
"Yoldia cooperi" = Yoldia (Kalayoldia) cooperii
"Yoldia cooperi" = Yoldia (Kalayoldia) cooperii Gabb 1865 clam | |
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam | |
"Nucula exigua" = Nucula (Lamellinucula) exigua
"Nucula exigua" = Nucula (Lamellinucula) exigua Sowerby 1833 nut clam | |
"Volsella recta" = Modiolatus rectus
"Volsella recta" = Modiolatus rectus Conrad 1837 mussel | |
Ostrea lurida Carpenter 1864 oyster | |
| |
"Pododesmus macroschisma" = Pododesmus (Monia) macrochisma, Anomia peruviana
"Pododesmus macroschisma" = Pododesmus (Monia) macrochisma Deshayes 1839 scallop
Anomia peruviana d'Orbigny 1846 jingle | |
"Pecten multirugosus" = Crassadoma gigantea, "Pecten gibbus" = Argopecten gibbus, "Pecten latiauratus" = Leptopecten latiauratus
"Pecten multirugosus" = Crassadoma gigantea Gray 1825 scallop
"Pecten gibbus" = Argopecten gibbus Linnaeus 1758 calico scallop
"Pecten latiauratus" = Leptopecten latiauratus Conrad 1837 scallop | |
"Lucina nuttallii" = Lucinisca nuttalli
"Lucina nuttallii" = Lucinisca nuttalli Conrad 1837 clam | |
"Periploma planiuscula" = Periploma (Periploma) planiuscula
"Periploma planiuscula" = Periploma (Periploma) planiuscula Sowerby I 1834 clam | |
Pholas gabbi clam | |
Cryptomya californica, "Mya cancellata" = Platyodon cancellatus
Cryptomya californica Conrad 1837 softshell clam
"Mya cancellata" = Platyodon cancellatus Conrad 1837 softshell clam | |
"Corbula luteola" = Caryocorbula luteola
"Corbula luteola" = Caryocorbula luteola Carpenter 1864 clam | |
"Mactra planulata" = Simomactra planulata, "Schizothaerus nuttallii" = Tresus nuttallii, "Mactra elegans" = Harvella elegans, "Mactra hemphilli" = Mactromeris hemphillii, "Mactra nasuta" = Mactrotoma nasuta, "Mactra californica" = Mactrotoma californica
"Mactra planulata" = Simomactra planulata Conrad 1837 clam
"Schizothaerus nuttallii" = Tresus nuttallii Conrad 1837 clam
"Mactra elegans" = Harvella elegans Sowerby 1825 clam
"Mactra hemphilli" = Mactromeris hemphillii Dall 1894 clam
"Mactra nasuta" = Mactrotoma nasuta Gould 1851 surfclam
"Mactra californica" = Mactrotoma californica Conrad 1837 surfclam | |
"Pitar squalidus" = Megapitaria squalida, "Tivela stultorum" = Tivela (Pachydesma) stultorum, "Petricola denticulata" = Petricola (Petricolirus) denticulata, "Petricola carditoides" = Petricola (Petricola) carditoides, "Venerupis staminea" = Leukoma staminea, "Venus fluctifraga" = Chionista fluctifraga, Venus purpurissata, Dosinia ponderosa, "Venus gnidia" = Chionopsis gnidia, Amiantis callosa
"Pitar squalidus" = Megapitaria squalida Sowerby 1833 venus clam
"Tivela stultorum" = Tivela (Pachydesma) stultorum Mawe 1823 venus clam
"Petricola denticulata" = Petricola (Petricolirus) denticulata Sowerby 1834 venus clam
"Petricola carditoides" = Petricola (Petricola) carditoides Conrad 1837 venus clam
"Venerupis staminea" = Leukoma staminea Conrad 1837 venus clam
"Venus fluctifraga" = Chionista fluctifraga Sowerby 1853 venus clam
Venus purpurissata venus clam
Dosinia ponderosa Gray 1838 venus clam
"Venus gnidia" = Chionopsis gnidia Broderip and Sowerby I 1829 venus clam
Amiantis callosa Conrad 1837 venus clam | |
"Pseudochama exogyra" = Chama exogyra Conrad 1837 jewel box | |
"Taras pariiis" = Diplodonta
"Taras pariiis" = Diplodonta clam | |
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 | |
"Donax californicus" = Donax (Paradonax) californicus, "Donax gouldii" = Donax (Donax) gouldii
"Donax californicus" = Donax (Paradonax) californicus Conrad 1837 clam
"Donax gouldii" = Donax (Donax) gouldii Dall 1921 clam | |
"Apolymetis biangulata" = Leporimetis obesa, "Macoma secta" = Rexithaerus secta, "Macoma indentata" = Macoma (Rexithaerus) indentata, "Macoma moesta" = Macoma (Macoma) moesta, Macoma nasuta, "Tellina bodegensis" = Megangulus bodegensis, "Tellina meropsis" = Tampaella meropsis, "Tellina buttoni" = Ameritella modesta
"Apolymetis biangulata" = Leporimetis obesa Deshayes 1855 tellin clam
"Macoma secta" = Rexithaerus secta Conrad 1837 tellin clam
"Macoma indentata" = Macoma (Rexithaerus) indentata Carpenter 1864 tellin clam
"Macoma moesta" = Macoma (Macoma) moesta Deshayes 1855 tellin clam
Macoma nasuta Conrad 1837 tellin clam
"Tellina bodegensis" = Megangulus bodegensis Hinds 1844 tellin clam
"Tellina meropsis" = Tampaella meropsis Dall 1900 tellin clam
"Tellina buttoni" = Ameritella modesta Carpenter 1864 tellin clam | |
"Semele pulchra" = Semele (Semele) pulchra, "Semele decisa" = Semele (Semele) decisa, Cumingia californica3
"Semele pulchra" = Semele (Semele) pulchra Sowerby I 1832 clam
"Semele decisa" = Semele (Semele) decisa Conrad 1837 clam | |
"Sanguinolaria nuttallii" = Nuttallia nuttallii
"Sanguinolaria nuttallii" = Nuttallia nuttallii Conrad 1837 clam | |
"Tagelus californianus" = Tagelus (Tagelus) californianus
"Tagelus californianus" = Tagelus (Tagelus) californianus Conrad 1837 clam | |
"Crassinella branneri" = Crassinella pacifica
"Crassinella branneri" = Crassinella pacifica Adams 1852 clam |