UCLA Loc. 2715, Rosarito Beach (Pleistocene of Mexico)

Also known as LACMIP Loc. 22715

Where: Baja California, Mexico (32.3° N, 117.0° W: paleocoordinates 32.3° N, 116.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pleistocene (2.6 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit, for which stratigraphic relations are not discussed. AGE: PLeistocene. STRATIGRAPHIC POSITION: Unconsolidated pebble conglomerate with sand matrix, 3 feet thick.

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified, sandy conglomerate

• SPECIFIC LITHOLOGY: Unconsolidated pebble conglomerate with sand matrix. LITHIFICATION: Unlithified, on the basis of facies description.

Size class: macrofossils

Preservation: original aragonite, original calcite

Collected by Cunningham & Valentine in 1952; reposited in the LACM

Collection methods: surface (in situ),

• COLLECTORS: Cunningham and Valentine, 1952. REPOSITORY: Apparently, UCLA.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96590: authorized by Austin Hendy, entered by Austin Hendy on 13.06.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, but with species resolution.
Polychaeta
  -
Polyplacophora
 Neoloricata - Ischnochitonidae
"Stenoplax conspicuus" = Stenoplax conspicua, "Stenoplax acrior" = Stenoplax magdalenensis, "Lepidozona pectinulatus" = Ischnochiton (Lepidozona) pectinulatus, Tonicella cf. lineata
"Stenoplax conspicuus" = Stenoplax conspicua Carpenter 1879 conspicuous chiton
"Stenoplax acrior" = Stenoplax magdalenensis Hinds 1845 magdalena chiton
"Lepidozona pectinulatus" = Ischnochiton (Lepidozona) pectinulatus Carpenter 1893 chiton
Tonicella cf. lineata Wood 1815 lined red chiton
 Neoloricata - Mopaliidae
Mopalia muscosa Gould 1846 chiton
 Chitonida - Callistoplacidae
Nuttallina californica Reeve 1847 chiton
Gastropoda
 Epitonioidea - Epitoniidae
"Epitonium tinctum" = Hirtoscala tincta
"Epitonium tinctum" = Hirtoscala tincta Carpenter 1864 wentletrap
 Vanikoroidea - Eulimidae
"Balcis thersites" = Melanella thersites, "Balcis rutila" = Polygireulima rutila
"Balcis thersites" = Melanella thersites Carpenter 1864 snail
"Balcis rutila" = Polygireulima rutila Carpenter 1864 snail
 Neotaenioglossa - Calyptraeidae
Crepipatella lingulata Gould 1846 slipper shell
Crepidula nummaria Gould 1846 slipper shell
 Sorbeoconcha - Triphoridae
Triphora hemphilli Bartsch 1907 snail
 Sorbeoconcha - Newtoniellidae
"Cerithiopsis cf. antemunda" = Cerithiopsida diegensis
"Cerithiopsis cf. antemunda" = Cerithiopsida diegensis Bartsch 1911 snail
 Sorbeoconcha - Cerithiopsidae
Cerithiopsis sp. Hanley 1849 snail
Seila montereyensis Bartsch 1907 snail
 Sorbeoconcha - Littorinidae
"Littorina scutulata" = Littorina (Littorina) scutulata, "Littorina planaxis" = Littorina (Neritrema) keenae, "Lacuna unifasciata" = Lacuna (Epheria) unifasciata, "Lacuna carinata" = Lacuna (Epheria) carinata
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle
"Littorina planaxis" = Littorina (Neritrema) keenae Rosewater 1978 periwinkle
"Lacuna unifasciata" = Lacuna (Epheria) unifasciata Carpenter 1857 periwinkle
"Lacuna carinata" = Lacuna (Epheria) carinata Gould 1848 periwinkle
 Sorbeoconcha - Barleeiidae
Barleeia haliotiphila Carpenter 1864 snail
Barleeia oldroydi Bartsch 1920 snail
Amphithalamus tenuis Bartsch 1911 snail
 Sorbeoconcha - Rissoidae
"Alvania purpurea" = Alvinia purpurea, Rissoina cleo
"Alvania purpurea" = Alvinia purpurea Dall 1871 snail
 Sorbeoconcha - Vermetidae
"Aletes squamigerus" = Thylacodes squamigerus
"Aletes squamigerus" = Thylacodes squamigerus Carpenter 1857 worm shell
 Sorbeoconcha - Eratoidae
"Erato columbella" = Hespererato columbella
"Erato columbella" = Hespererato columbella Menke 1847 snail
 Sorbeoconcha - Triviidae
"Pusula californiana" = Pseudopusula californiana
"Pusula californiana" = Pseudopusula californiana Gray 1827 snail
 Sorbeoconcha - Velutinidae
"Velutina laevigata" = Velutina velutina
"Velutina laevigata" = Velutina velutina Müller 1776 snail
 Neogastropoda -
"Mitromorpha aspera" = Cymakra aspera
"Mitromorpha aspera" = Cymakra aspera Carpenter 1864 snail
 Neogastropoda - Olividae
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
 Neogastropoda - Nassariidae
"Nassa fossata" = Caesia fossatus, "Nassa mendica" = Hima mendica
"Nassa fossata" = Caesia fossatus Gould 1849 snail
"Nassa mendica" = Hima mendica Gould 1849 snail
 Neogastropoda - Columbellidae
"Mitrella carinata" = Alia carinata Hinds 1844 dovesnail
Amphissa versicolor Dall 1871 snail
 Neogastropoda - Marginellidae
"Hyalina californica" = Volvarina taeniolata
"Hyalina californica" = Volvarina taeniolata Mörch 1860 margin shell
 Neogastropoda - Muricidae
Acanthina paucilirata, "Ocinebra interfossa" = Paciocinebrina interfossa, "Acanthina lugubris" = Mexacanthina lugubris, Nucella emarginata, "Acanthina spirata" = Acanthinucella spirata
"Ocinebra interfossa" = Paciocinebrina interfossa Carpenter 1864 murex snail
"Acanthina lugubris" = Mexacanthina lugubris Sowerby I 1822 murex snail
Nucella emarginata murex snail
"Acanthina spirata" = Acanthinucella spirata Blainville 1832 murex snail
 Neogastropoda - Cystiscidae
"Cypraeolina pyriformis" = Granulina margaritula, Plesiocystiscus politulus2, "Cystiscus jewetti" = Plesiocystiscus jewetti
"Cypraeolina pyriformis" = Granulina margaritula Carpenter 1857 snail
Plesiocystiscus politulus2 Dall 1919 snail
"Cystiscus jewetti" = Plesiocystiscus jewetti Carpenter 1857 snail
 Neogastropoda -
"Harfordia cf. monksae" = Harfordia robusta
"Harfordia cf. monksae" = Harfordia robusta Trask 1855 snail
 Neogastropoda - Mitromorphidae
"Mitromorpha filosa" = Mitromorpha carpenteri
"Mitromorpha filosa" = Mitromorpha carpenteri Glibert 1954 snail
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Sorbeoconcha - Hipponicidae
Antisabia panamensis2 Adams 1852 hoof shell
Hipponix tumens Carpenter 1864 hoof shell
 Sorbeoconcha - Vitrinellidae
Vitrinella oldroydi Bartsch 1907 snail
 Sorbeoconcha - Truncatellidae
"Truncatella stimpsoni" = Truncatella californica
"Truncatella stimpsoni" = Truncatella californica Pfeiffer 1857 snail
 Sorbeoconcha - Hydrobiidae
 Sorbeoconcha - Tornidae
"Pseudorotella cf. bibbiana" = Teinostoma (Pseudorotella) snail
Pseudorotella supravallata Carpenter 1864 snail
 Sorbeoconcha - Assimineidae
 Sorbeoconcha - Caecidae
Caecum californicum, Fartulum orcutti, "Fartulum hemphilli" = Fartulum dextroversum, "Fartulum occidentale" = Fartulum dextroversum
Caecum californicum Dall 1885 snail
Fartulum orcutti Dall in Orcutt 1885 snail
"Fartulum hemphilli" = Fartulum dextroversum Carpenter 1857 snail
"Fartulum occidentale" = Fartulum dextroversum Carpenter 1857 snail
 Heterostropha - Pyramidellidae
Turbonilla sp. Risso 1826 snail
"Turbonilla tenuicula" = Pyrgiscus tenuiculus Gould 1853 snail
Turbonilla almo Dall and Bartsch 1909 snail
Odostomia sp. Fleming 1817 snail
 Heterostropha - Trimusculidae
Trimusculus reticulata Sowerby 1835 button snail
 Trochoidea - Trochidae
Calliostoma ligatum, "Norrisia norrisi" = Norrisia norrisii, "Pupillaria parcipictus" = Lirularia parcipicta, "Tegula funebralis" = Chlorostoma funebrale, "Tegula gallina" = Chlorostoma gallina, "Tegula aureotincta" = Chlorostoma aureotincta
Calliostoma ligatum Gould 1849 top snail
"Norrisia norrisi" = Norrisia norrisii Sowerby I 1838 top snail
"Pupillaria parcipictus" = Lirularia parcipicta Carpenter 1864 top snail
"Tegula funebralis" = Chlorostoma funebrale Adams 1855 top snail
"Tegula gallina" = Chlorostoma gallina Forbes 1850 top snail
"Tegula aureotincta" = Chlorostoma aureotincta Forbes 1852 top snail
 Trochoidea - Phasianellidae
"Tricolia pulloides" = Eulithidium pulloides
"Tricolia pulloides" = Eulithidium pulloides Carpenter 1865 snail
 Trochoidea - Turbinidae
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum
"Homalopoma carpenteri" = Homalopoma (Homalopoma) luridum Dall 1885 snail
 Lepetellida - Fissurellidae
Fissurella volcano Reeve 1849 snail
Diodora aspera Rathke 1833 snail
"Megatebennus bimaculata" = Fissurellidea bimaculata Dall 1871 snail
 Opisthobranchia - Cylichnidae
Acteocina culcitella Gould 1853 barrel-bubble
 Patellida - Lottiidae
"Acmaea limatula" = Lottia limatula, "Acmaea scabra" = Lottia scabra, "Acmaea paleacea" = Lottia paleacea, "Acmaea persona" = Lottia persona, "Acmaea insessa" = Lottia insessa, "Acmaea asmi" = Lottia asmi, Acmaea mitra
"Acmaea limatula" = Lottia limatula Carpenter 1864 limpet
"Acmaea scabra" = Lottia scabra Gould 1846 limpet
"Acmaea paleacea" = Lottia paleacea Gould 1853 limpet
"Acmaea persona" = Lottia persona Eschesholtz 1833 limpet
"Acmaea insessa" = Lottia insessa Hinds 1842 limpet
"Acmaea asmi" = Lottia asmi Middendorff 1847 limpet
Acmaea mitra Eschscholtz 1833 limpet
Bivalvia
 Hiatellida - Hiatellidae
Hiatella arctica Linnaeus 1767 clam
 Pholadida - Corbulidae
"Corbula luteola" = Caryocorbula luteola
"Corbula luteola" = Caryocorbula luteola Carpenter 1864 clam
 Pholadida - Myidae
Cryptomya californica Conrad 1837 softshell clam
 Cardiida - Lasaeidae
"Lasaea subviridis" = Lasaea adansoni1, "Lasaea cistula" = Lasaea adansoni, "Kellia laperousi" = Kellia suborbicularis
"Lasaea subviridis" = Lasaea adansoni1 Gmelin 1791 clam
"Lasaea cistula" = Lasaea adansoni Gmelin 1791 clam
"Kellia laperousi" = Kellia suborbicularis Montague 1803 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
Diplodonta orbella Gould 1851 clam
 Cardiida - Veneridae
Amiantis callosa, "Transenella tantilla" = Nutricola tantilla, Saxidomus nuttalli, "Protothaca staminea" = Leukoma staminea, "Chione picta" = Chione (Timoclea) picta
Amiantis callosa Conrad 1837 venus clam
"Transenella tantilla" = Nutricola tantilla Gould 1853 venus clam
Saxidomus nuttalli Conrad 1837 venus clam
"Protothaca staminea" = Leukoma staminea Conrad 1837 venus clam
"Chione picta" = Chione (Timoclea) picta Willett 1944 venus clam
 Cardiida - Tellinidae
"Macoma secta" = Rexithaerus secta
"Macoma secta" = Rexithaerus secta Conrad 1837 tellin clam
 Cardiida - Semelidae
Cumingia californica Conrad 1837 clam
 Lucinida - Lucinidae
Epilucina californica Conrad 1837 clam
 Carditida - Carditidae
Milneria kelseyi, "Glans subquadrata" = Glans carpenteri
Milneria kelseyi Dall 1916 clam
"Glans subquadrata" = Glans carpenteri Lamy 1922 clam
 Mytilida - Mytilidae
Mytilus californianus Conrad 1837 mussel
Septifer bifurcatus Conrad 1837 mussel
"Modiolus fornicatus" = Modiolus carpenteri Soot-Ryen 1963 mussel
 Pectinida - Pectinoidae
Leptopecten latiauratus Conrad 1837 scallop
 Arcida - Arcidae
"Barbatia bailyi" = Acar bailyi
"Barbatia bailyi" = Acar bailyi Bartsch 1931 miniature ark
Pseudorotella invallata
  -
"Pseudorotella invallata" = Pseudorotella supravallatum
"Pseudorotella invallata" = Pseudorotella supravallatum Carpenter 1864