Deadman Island - "Pliocene" [Timms Point Silt]: Middle Pleistocene, California
collected by R. Arnold
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Anthozoa
- Scleractinia
- Caryophylliidae
|
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Caryophyllia californica n. sp.
Vaughan 1903
|
R category | |||||||||
|
Rhynchonellata
- Terebratulida
- Laqueidae
|
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|
Laqueus jeffreysi
(Dall 1871)
|
R category | |||||||||
|
Rhynchonellata
- Terebratulida
- Terebrataliidae
|
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|
Terebratalia smithi
Arnold 1903
|
R category | |||||||||
|
unclassified
|
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Bryozoa indet.
Ehrenberg 1831
|
C category | |||||||||
|
Polyplacophora
- Neoloricata
- Acanthochitonidae
|
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|
Cryptochiton stelleri
(Middendorf 1847)
|
R category | |||||||||
|
Bivalvia
- Nuculanida
- Nuculanidae
|
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|
Leda taphria
Dall 1896
|
C category | |||||||||
| recombined as Saccella taphria | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
|
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|
Nucula (Acila) castrensis
(Hinds 1843)
|
C category | |||||||||
| recombined as Acila (Truncacila) castrensis | ||||||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
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|
Pecten stearnsii
Dall 1878
|
R category | |||||||||
|
= Leopecten diegensis
Dall 1898
|
Hendy 2021 | |||||||||
|
Pecten (Patinopecten) caurinus
(Gould 1850)
|
R category | |||||||||
| recombined as Patinopecten caurinus | ||||||||||
|
Pecten (Chlamys) jordani n. sp.
Arnold 1903
|
U category | |||||||||
| synonym of Chlamys rubida | ||||||||||
|
Pecten (Chlamys) hastatus
(Sowerby 1842)
|
U category | |||||||||
| recombined as Chlamys hastata | ||||||||||
|
Pecten (Chlamys) hericeus
(Carpenter 1887)
|
U category | |||||||||
| synonym of Chlamys hastata | ||||||||||
|
Bivalvia
- Pholadida
- Corbulidae
|
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|
Corbula luteola
Carpenter 1864
|
R category | |||||||||
| recombined as Caryocorbula luteola | ||||||||||
|
Bivalvia
- Pholadida
- Pholadidae
|
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|
Pholadidea penita
(Conrad 1837)
|
R category | |||||||||
| recombined as Penitella penita | ||||||||||
|
Bivalvia
- Cardiida
- Lasaeidae
|
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|
Kellia laperousii
(Deshayes 1839)
|
R category | |||||||||
| original and current combination Chironia laperousii | ||||||||||
|
Bivalvia
- Cardiida
- Cardiidae
|
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|
Protocardia centifilosum
(Carpenter 1864)
|
C category | |||||||||
| recombined as Nemocardium (Keenaea) centifilosum | ||||||||||
|
Bivalvia
- Cardiida
- Tellinidae
|
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|
Macoma inquinata
(Deshayes 1855)
|
C category | |||||||||
| recombined as Macoma (Macoma) inquinata | ||||||||||
|
Macoma calcarea
(Gmelin 1792)
|
U category | |||||||||
| recombined as Macoma (Macoma) calcarea | ||||||||||
|
Bivalvia
- Cardiida
- Semelidae
|
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|
Cumingia californica
Conrad 1837
|
R category | |||||||||
|
Bivalvia
- Cardiida
- Chamidae
|
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|
Chama pellucida
Broderip 1835
|
C category | |||||||||
|
= Chama arcana
Bernard 1976
|
Hendy 2021 | |||||||||
|
Bivalvia
- Cardiida
- Veneridae
|
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|
Venus (Chione) simillima
Sowerby 1855
|
R category | |||||||||
| synonym of Chione undatella | ||||||||||
|
Callista subdiaphana
(Carpenter 1864)
|
C category | |||||||||
| recombined as Compsomyax subdiaphana | ||||||||||
|
Bivalvia
- Solenida
- Solenidae
|
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|
Solen sicarius
Gould 1850
|
C category | |||||||||
|
Bivalvia
- Hiatellida
- Hiatellidae
|
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|
Panomya ampla
Dall 1898
|
R category | |||||||||
|
Panopea generosa
Gould 1850
|
R category | |||||||||
|
Bivalvia
- Pandorida
- Lyonsiidae
|
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|
Mytilimeria nuttalli
Conrad 1837
|
R category | |||||||||
|
Lyonsia californica
Conrad 1837
|
C category | |||||||||
|
Bivalvia
- Thraciida
- Thraciidae
|
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|
Thracia trapezoides
Conrad 1849
|
R category | |||||||||
| recombined as Thracia (Homoeodesma) trapezoides | ||||||||||
|
Bivalvia
- Lucinida
- Lucinidae
|
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|
Lucina acutilineata
Conrad 1849
|
C category | |||||||||
|
= Lucinoma annulatum
Reeve 1850
|
Hendy 2021 | |||||||||
|
Lucina californica
(Conrad 1837)
|
C category | |||||||||
| original and current combination Phacoides californicus | ||||||||||
|
Bivalvia
- Lucinida
- Thyasiridae
|
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|
Thyasira bisecta
(Conrad 1849)
|
C category | |||||||||
| recombined as Conchocele bisecta | ||||||||||
|
Thyasira gouldii
(Philippi 1845)
|
R category | |||||||||
| synonym of Tellina flexuosa | ||||||||||
|
Bivalvia
- Carditida
- Carditidae
|
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Venericardia ventricosa
(Gould 1850)
|
C category | |||||||||
| recombined as Coanicardita ventricosa | ||||||||||
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Venericardia barbarensis
Stearns 1890
|
C category | |||||||||
| recombined as Hippocampocardia barbarensis | ||||||||||
|
Gastropoda
- Opisthobranchia
- Cylichnidae
|
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Tornatina eximia
Baird 1863
|
R category | |||||||||
| synonym of Acteocina cerealis | ||||||||||
|
Gastropoda
- Epitoniidae
|
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Scala indianorum
(Carpenter 1864)
|
R category | |||||||||
| recombined as Epitonium (Nitidiscala) indianorum | ||||||||||
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Gastropoda
- Procerithiidae
|
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Bittium asperum
(Gabb 1861)
|
C category | |||||||||
| recombined as Lirobittium asperum | ||||||||||
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Gastropoda
- Naticidae
|
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Neverita recluziana
(Deshayes 1839)
|
R category | |||||||||
| recombined as Glossaulax reclusiana | ||||||||||
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Natica clausa
Broderip and Sowerby 1829
|
U category | |||||||||
| synonym of Cryptonatica affinis | ||||||||||
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Gastropoda
- Hipponicidae
|
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Hipponyx antiquatus
(Linnaeus 1767)
|
R category | |||||||||
| recombined as Hipponix antiquatus | ||||||||||
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Gastropoda
- Neogastropoda
- Muricidae
|
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Ocinebra lurida
(Middendorff 1848)
|
R category | |||||||||
| recombined as Paciocinebrina lurida | ||||||||||
| SUBSPECIES: Ocinebra lurida aspera, Ocinebra lurida cancellina | ||||||||||
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Ocinebra interfossa
Carpenter 1864
|
R category | |||||||||
| recombined as Paciocinebrina interfossa | ||||||||||
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Trophon (Boreotrophon) tenuisculpta
(Carpenter 1866)
|
R category | |||||||||
| recombined as Ocinebrina tenuisculpta | ||||||||||
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Trophon (Boreotrophon) scalariformis
(Gould 1841)
|
R category | |||||||||
|
= Boreotrophon apolyonis
Dall 1919
|
Hendy 2021 | |||||||||
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Trophon stuarti
Smith 1880
|
C category | |||||||||
| recombined as Boreotrophon stuarti | ||||||||||
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Trophon (Boreotrophon) gracilis
(Perry 1811)
|
R category | |||||||||
|
= Boreotrophon multicostatus
Eschscholtz 1829
|
Hendy 2021 | |||||||||
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Trophon orpheus
(Gould 1842)
|
C category | |||||||||
| SUBSPECIES: Trophon orpheus praecursor | ||||||||||
|
= Boreotrophon pedroana
Arnold 1903
|
Hendy 2021 | |||||||||
|
Gastropoda
- Neogastropoda
- Clathurellidae
|
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Clathurella conradiana
Gabb 1866
|
C category | |||||||||
| recombined as Crockerella conradiana | ||||||||||
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Gastropoda
- Neogastropoda
- Mangeliidae
|
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Mangilia sculpturata
|
R category | |||||||||
|
= Kurtzia arteaga
Dall and Bartsch 1910
|
Hendy 2021 | |||||||||
|
Gastropoda
- Neogastropoda
- Borsoniidae
|
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Pleurotoma (Borsonia) dalli
Arnold 1903
|
R category | |||||||||
| replaced by Borsonella angelana | ||||||||||
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Drillia merriami
Arnold 1903
|
R category | |||||||||
| recombined as Borsonella merriami | ||||||||||
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Pleurotoma (Borsonia) bartschi
Arnold 1903
|
U category | |||||||||
| recombined as Borsonella bartschi | ||||||||||
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Gastropoda
- Neogastropoda
- Turridae
|
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Taranis strongi
(Arnold 1903)
|
R category | |||||||||
| original and current combination Mangilia (Taranis) strongi | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
|
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Conus californicus
Reeve 1844
|
U category | |||||||||
| recombined as Californiconus californicus | ||||||||||
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Bela fidicula
(Gould 1849)
|
R category | |||||||||
| recombined as Propebela fidicula | ||||||||||
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Gastropoda
- Neogastropoda
- Pseudomelatomidae
|
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Drillia torosa
Gabb 1864
|
C category | |||||||||
| recombined as Pseudomelatoma torosa | ||||||||||
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Pleurotoma (Drillia) renaudi
Arnold 1903
|
R category | |||||||||
| recombined as Rhodopetoma renaudi | ||||||||||
|
Gastropoda
- Neogastropoda
- Terebridae
|
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Terebra (Acus) simplex
(Carpenter 1864)
|
R category | |||||||||
| replaced by Neoterebra danai | ||||||||||
|
Gastropoda
- Neogastropoda
- Olividae
|
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Olivella intorta
Carpenter 1856
|
U category | |||||||||
|
Olivella pedroana
(Conrad 1855)
|
U category | |||||||||
| recombined as Callianax pedroana | ||||||||||
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Olivella biplicata
(Sowerby 1825)
|
R category | |||||||||
| recombined as Callianax biplicata | ||||||||||
|
Gastropoda
- Neogastropoda
- Nassariidae
|
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Nassa mendica
Gould 1849
|
U category | |||||||||
| recombined as Hima mendica | ||||||||||
| INCLUDES: Nassa mendica cooperi | ||||||||||
|
Nassa perpinguis
Hinds 1844
|
R category | |||||||||
| recombined as Caesia perpinguis | ||||||||||
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Nassa fossata
(Gould 1849)
|
R category | |||||||||
| recombined as Caesia fossatus | ||||||||||
|
Nassa californiana
(Conrad 1856)
|
R category | |||||||||
| recombined as Caesia californiana | ||||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
|
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Chrysodomus sp.
Swainson 1840
|
R category | |||||||||
|
Chrysodomus rectirostris
Carpenter 1864
|
U category | |||||||||
| recombined as Exilioidea rectirostris | ||||||||||
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Chrysodomus tabulatus
Baird 1863
|
C category | |||||||||
| recombined as Neptunea (Sulcosipho) tabulata | ||||||||||
|
Gastropoda
- Neogastropoda
- Fasciolariidae
|
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|
Fusus barbarensis
Trask 1855
|
C category | |||||||||
| recombined as Barbarofusus barbarensis | ||||||||||
|
Gastropoda
- Neogastropoda
- Columbellidae
|
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Amphissa corrugata
(Reeve 1847)
|
C category | |||||||||
| replaced by Amphissa columbiana | ||||||||||
|
Columbella (Astyris) gausapata
Gould 1850
|
R category | |||||||||
| recombined as Mitrella gausapata | ||||||||||
| INCLUDES: Columbella (Astyris) gausapata carinata | ||||||||||
|
Gastropoda
- Ranellidae
|
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|
Priene oregonensis
(Redfield 1846)
|
C category | |||||||||
| recombined as Fusitriton oregonensis | ||||||||||
|
Gastropoda
- Littorinidae
|
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|
Littorina planaxis
Philippi 1847
|
R category | |||||||||
| replaced by Littorina (Neritrema) keenae | ||||||||||
|
Gastropoda
- Turritellidae
|
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|
Turritella jewetti
(Carpenter 1866)
|
C category | |||||||||
|
= Turritella pedroensis
Applin 1920
|
Hendy 2021 | |||||||||
|
Turritella cooperi
Carpenter 1864
|
C category | |||||||||
|
Gastropoda
- Potamididae
|
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|
Cerithidea californica
(Haldeman 1840)
|
R category | |||||||||
| recombined as Cerithideopsis californica | ||||||||||
|
Gastropoda
- Pseudomelaniidae
|
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|
Pleurotoma (Spirotropis) smithi
Arnold 1903
|
U category | |||||||||
| synonym of Antiplanes thalea | ||||||||||
|
Pleurotoma perversa
(Gabb 1865)
|
U category | |||||||||
| recombined as Spirotropis (Antiplanes) perversa | ||||||||||
|
Gastropoda
- Turbinidae
|
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|
Margarita pupilla
(Gould 1849)
|
R category | |||||||||
| recombined as Pupillaria pupilla | ||||||||||
|
Gastropoda
- Trochidae
|
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|
Calliostoma canaliculatum
(Lightfoot 1786)
|
R category | |||||||||
|
Calliostoma tricolor
Gabb 1865
|
R category | |||||||||
|
Chlorostoma montereyi
(Kiener 1850)
|
R category | |||||||||
|
Chlorostoma brunneum
(Philippi 1849)
|
R category | |||||||||
| recombined as Chlorostoma brunnea | ||||||||||
|
Gastropoda
- Solariellidae
|
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|
Solariella peramabilis
Carpenter 1864
|
R category | |||||||||
| recombined as Minolia peramabilis | ||||||||||
|
Gastropoda
- Eucyclidae
|
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|
Thalotia caffea
(Gabb 1865)
|
U category | |||||||||
| recombined as Turcica caffea | ||||||||||
|
Solariella cidaris
(Adams 1864)
|
R category | |||||||||
| recombined as Cidarina cidaris | ||||||||||
|
Gastropoda
- Lepetellida
- Fissurellidae
|
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|
Puncturella galeata
(Gould 1846)
|
U category | |||||||||
|
Puncturella cucullata
(Gould 1846)
|
U category | |||||||||
| recombined as Craniopsis cucullata | ||||||||||
|
Gastropoda
- Patellida
- Lottiidae
|
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|
Acmaea insessa
(Hinds 1842)
|
U category | |||||||||
| recombined as Lottia insessa | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Los Angeles |
| Coordinates: | 33.7° North, 118.3° West (view map) | ||||
| Paleocoordinates: | 33.7° North, 118.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | local area |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Chibanian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Middle Pleistocene | ||
| Age range of interval: | 0.77400 - 0.12900 m.y. ago |
Stratigraphy
| Formation: | Timms Point Silt | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From what Arnold (1903) considered the "Pliocene" [=Timms Point Silt]: AGE: Middle Pleistocene (~0.6-0.4 Ma) based on current understanding of the Timms Point Silt. STRATIGRAPHIC RESOLUTION: List is exhaustive of the Timms Point Silt in a relatively small geographic area, so given stratigraphic resolution of formation. | |||||
Lithology and environment
| Primary lithology: | unlithified siltstone |
| Lithology description: SPECIFIC LITHOLOGY: Unknown, but based on likely collecting localities would have likely comprise silt. LITHIFICATION: Unknown, but based on likely collecting localities would have been unlithified. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Not stated, but based on current understanding of the units likely collected the list represents mid- through outer shelf, siliciclastic depositional settings. | |
Taphonomy
| Modes of preservation: | body,original aragonite,original calcite |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Collection methods: | field collection,survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | CAS |
| Collectors: | R. Arnold |
| Collection method comments: COLLECTOR: Multiple collectors including R. Arnold, M. Williamson, and others. REPOSITORY: Multiple repositories including CAS and LACMIP. | |
| Taxonomic list comments:TAXONOMIC COVERAGE: Exhaustive for known taxa from this locality and stratigraphic unit. NOMENCLATURE: Antiquated, but resolved to species resolution. | |
Metadata
| Database number: | 222665 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2021-10-11 10:52:03 | Last modified: | 2021-10-11 10:52:03 |
| Access level: | the public | Released: | 2021-10-11 10:52:03 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 71769. | R. Arnold. 1903. The Paleontology and Stratigraphy of the Marine Pliocene and Pleistocene of San Pedro, California. Contributions to Biology from The Hopkins Seaside Laboratory 31 [A. Hendy/A. Hendy] |
Secondary references:
| 78337 | A. Hendy. 2021. A review of the Quaternary Mollusca of the Palos Verdes Peninsula. [A. Hendy/A. Hendy] |