LACMIP Loc. 22719 - Rosarito Beach: Pleistocene, Mexico
collected by Cunningham & Valentine 1952
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Thecostraca
- Balanomorpha
- Balanidae
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Tamiosoma regalis
(Pilsbry 1916)
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Zullo 1992 | ||||||
Bivalvia
- Mytilida
- Mytilidae
|
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Mytilus californianus
Conrad 1837
|
C category | ||||||
Septifer bifurcatus
(Conrad 1837)
|
R category | ||||||
Bivalvia
- Ostreida
- Ostreidae
|
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Ostrea megodon
Hanley 1846
|
R category | ||||||
recombined as Undulostrea megodon | |||||||
Bivalvia
- Pectinida
- Anomiidae
|
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Pododesmus macroschisma
(Deshayes 1839)
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R category | ||||||
recombined as Pododesmus (Monia) macrochisma | |||||||
Bivalvia
- Arcida
- Glycymerididae
|
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Glycymeris aff. profunda
(Dall 1879)
|
R category | ||||||
synonym of Glycymeris septentrionalis | |||||||
Glycymeris subobsoleta
(Carpenter 1864)
|
U category | ||||||
synonym of Glycymeris septentrionalis | |||||||
Bivalvia
- Solenida
- Pharidae
|
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Siliqua patula
(Dixon 1789)
|
R category | ||||||
Bivalvia
- Cardiida
- Cardiidae
|
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Trachycardium cf. quadragenarium
(Conrad 1837)
|
R category | ||||||
recombined as Dallocardia quadragenarium | |||||||
Bivalvia
- Cardiida
- Donacidae
|
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Donax gouldi
(Dall 1921)
|
U category | ||||||
recombined as Donax (Donax) gouldii | |||||||
Bivalvia
- Cardiida
- Mactridae
|
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Schizothaerus nuttalli
(Conrad 1837)
|
C category | ||||||
recombined as Tresus nuttallii | |||||||
Bivalvia
- Cardiida
- Veneridae
|
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Protothaca staminea
(Conrad 1837)
|
C category | ||||||
recombined as Leukoma staminea | |||||||
Chione undatella
(Sowerby I 1835)
|
R category | ||||||
Petricola carditoides
(Conrad 1837)
|
U category | ||||||
recombined as Petricola (Petricola) carditoides | |||||||
Tivela stultorum
(Mawe 1823)
|
U category | ||||||
recombined as Tivela (Pachydesma) stultorum | |||||||
Bivalvia
- Pholadida
- Pholadidae
|
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Pholadidea penita
(Conrad 1837)
|
R category | ||||||
recombined as Penitella penita | |||||||
Bivalvia
- Lucinida
- Lucinidae
|
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Lucinisca nuttalli
(Conrad 1837)
|
R category | ||||||
Here excavata
(Carpenter 1857)
|
R category | ||||||
Gastropoda
- Heterostropha
- Trimusculidae
|
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Trimusculus reticulata
(Sowerby 1835)
|
C category | ||||||
Gastropoda
- Neotaenioglossa
- Calyptraeidae
|
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Crepidula nummaria
Gould 1846
|
R category | ||||||
Gastropoda
- Hipponicidae
|
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Hipponix antiquatus
(Linnaeus 1767)
|
U category | ||||||
= Antisabia panamensis
Adams 1852
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Hendy 2020 | ||||||
Gastropoda
- Littorinidae
|
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Littorina scutulata
Gould 1849
|
C category | ||||||
recombined as Littorina (Littorina) scutulata | |||||||
Littorina planaxis
Philippi 1847
|
R category | ||||||
replaced by Littorina (Neritrema) keenae | |||||||
Gastropoda
- Neogastropoda
- Muricidae
|
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Acanthina paucilirata
|
U category | ||||||
Nucella emarginata
|
R category | ||||||
Acanthina spirata
(Blainville 1832)
|
C category | ||||||
recombined as Acanthinucella spirata | |||||||
Gastropoda
- Neogastropoda
- Olividae
|
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Olivella biplicata
(Sowerby 1825)
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C category | ||||||
recombined as Callianax biplicata | |||||||
Gastropoda
- Neogastropoda
- Turridae
|
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Megasurcula carpenteriana
(Gabb 1866)
|
R category | ||||||
Gastropoda
- Neogastropoda
- Nassariidae
|
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Nassa fossata
(Gould 1849)
|
A category | ||||||
recombined as Caesia fossatus | |||||||
Nassa perpinguis
Hinds 1844
|
U category | ||||||
recombined as Caesia perpinguis | |||||||
Gastropoda
- Neogastropoda
- Columbellidae
|
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Mitrella carinata
(Hinds 1844)
|
R category | ||||||
recombined as Alia carinata | |||||||
Gastropoda
- Bursidae
|
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Bursa californica
(Hinds 1843)
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C category | ||||||
synonym of Crossata ventricosa | |||||||
Gastropoda
- Vermetidae
|
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Aletes squamigerus
Carpenter 1857
|
R category | ||||||
recombined as Thylacodes squamigerus | |||||||
Gastropoda
- Naticidae
|
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Euspira lewisii
(Gould 1847)
|
U category | ||||||
Gastropoda
- Trochidae
|
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Tegula funebralis
(Adams 1855)
|
U category | ||||||
original and current combination Chlorostoma funebrale | |||||||
Calliostoma ligatum
(Gould 1849)
|
R category | ||||||
recombined as Calliostoma ligatus | |||||||
Gastropoda
- Lepetellida
- Haliotidae
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Haliotis sp.
Linnaeus 1758
|
R category | ||||||
Gastropoda
- Lepetellida
- Fissurellidae
|
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Diodora aspera
(Rathke 1833)
|
R category | ||||||
Megatebennus bimaculata
(Dall 1871)
|
U category | ||||||
recombined as Fissurellidea bimaculata | |||||||
Gastropoda
- Patellida
- Lottiidae
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Acmaea digitalis
Eschscholtz 1833
|
C category | ||||||
recombined as Lottia digitalis | |||||||
Acmaea insessa
(Hinds 1842)
|
R category | ||||||
recombined as Lottia insessa | |||||||
Acmaea scutum
Eschscholtz 1833
|
R category | ||||||
recombined as Lottia scutum | |||||||
Acmaea mitra
Eschscholtz 1833
|
R category | ||||||
Polyplacophora
- Neoloricata
- Acanthochitonidae
|
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Cryptochiton stelleri
(Middendorf 1847)
|
R category | ||||||
Polyplacophora
- Neoloricata
- Mopaliidae
|
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Mopalia hindsi
|
R category | ||||||
see common names |
Geography
Country: | Mexico | State/province: | Baja California |
Coordinates: | 32.3° North, 117.0° West (view map) | ||
Paleocoordinates: | 32.3° North, 116.7° West | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | outcrop |
Time
Period: | Quaternary | Epoch: | Pleistocene |
10 m.y. bin: | Cenozoic 6 | ||
Key time interval: | Pleistocene | ||
Age range of interval: | 2.58800 - 0.01170 m.y. ago |
Stratigraphy
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit, for which stratigraphic relations are not discussed. AGE: PLeistocene. STRATIGRAPHIC POSITION: Unconsolidated pebble conglomerate exposed in sea cliff. |
Lithology and environment
Primary lithology: | pebbly unlithified conglomerate |
Includes fossils? | Y |
Lithology description: SPECIFIC LITHOLOGY: Unconsolidated pebble conglomerate. LITHIFICATION: Unlithified, on the basis of facies description. | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,original aragonite,original calcite |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | surface (in situ),field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | LACM | ||
Collectors: | Cunningham & Valentine | Collection dates: | 1952 |
Collection method comments: COLLECTORS: Cunningham and Valentine, 1952. REPOSITORY: Apparently, UCLA. | |||
Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, but with species resolution. |
Metadata
Also known as: | UCLA Loc. 2719 | ||
Database number: | 96594 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Collections that are a subset of this one: | |||
Created: | 2010-06-13 17:21:46 | Last modified: | 2016-02-28 23:49:43 |
Access level: | the public | Released: | 2010-06-13 17:21:46 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
32785. | J. W. Valentine. 1957. Late Pleistocene faunas from the northwestern coast of Baja California, Mexico. Transactions of the San Diego Society of Natural History 12(16):298-308 [A. Hendy/A. Hendy] |
Secondary references:
63217 | A. J. W. Hendy. 2020. Unpublished taxonomic backbone for Eastern Pacific Invertebrate Communities of the Cenozoic (EPICC) Thematic Collections Network. [A. Hendy/A. Hendy/A. Hendy] | |
52284 | V. A. Zullo. 1992. Revision of the balanid barnacle genus Concavus Newman, 1982, with the description of a new subfamily, two new genera, and eight new species. The Paleontological Society Memoir 27:1-46 [A. Hendy/A. Hendy] |