Where: Mexico (31.5° N, 116.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• Fossils from basal 3-4-foot stratum, at an estimated elevation of from 20 to 25 feet above sea level, resting on upper Cretaceous rocks and overlain by unfossiliferous gravel and reddish soil.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, sandy gravel
Size class: macrofossils
Collected by J.W. Durham, W.K. Emerson in 1953; reposited in the UCMP
Primary reference: W. K. Emerson. 1956. Pleistocene invertebrates from Punta China, Baja California, Mexico, with remarks on the composition of the Pacific coast Quaternary faunas. Bulletin of the American Museum of Natural History 111:313-342 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 226465: authorized by Matthew Clapham, entered by Matthew Clapham on 09.07.2022
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Cumingia californica Conrad 1837 clam | |
"Lucina californica" = Epilucina californica
"Lucina californica" = Epilucina californica Conrad 1837 clam | |
Gastropoda | |
"Acmaea scabra" = Lottia scabra, "Acmaea digitalis" = Lottia digitalis, "Acmaea insessa" = Lottia insessa
"Acmaea scabra" = Lottia scabra Gould 1846 limpet
"Acmaea digitalis" = Lottia digitalis Eschscholtz 1833 limpet
"Acmaea insessa" = Lottia insessa Hinds 1842 limpet | |
"Littorina scutulata" = Littorina (Littorina) scutulata
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle | |
Hipponix tumens Carpenter 1864 hoof shell | |
"Mitra idae" = Mitra (Atrimitra) idae
"Mitra idae" = Mitra (Atrimitra) idae Melville 1893 mitre shell | |
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail | |
Turritella cf. cooperi Carpenter 1864 turret shell | |
"Tegula funebralis" = Chlorostoma funebrale
"Tegula funebralis" = Chlorostoma funebrale Adams 1855 top snail |