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 stratum, at about 25 feet above sea level, overlying Cretaceous rocks.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, sandy gravel
Size class: macrofossils
Collected by W.O. Addicott in 1952; 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 226466: authorized by Matthew Clapham, entered by Matthew Clapham on 09.07.2022
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
"Protothaca staminea" = Leukoma staminea
"Protothaca staminea" = Leukoma staminea Conrad 1837 common littleneck | |
"Lucina californica" = Epilucina californica
"Lucina californica" = Epilucina californica Conrad 1837 California lucine | |
"Hinnites multirugosus" = Crassadoma gigantea
"Hinnites multirugosus" = Crassadoma gigantea Gray 1825 rock scallop | |
Gastropoda | |
Haliotis rufescens, "Haliotis cracherodi" = Haliotis cracherodii
Haliotis rufescens Swainson 1822 red abalone
"Haliotis cracherodi" = Haliotis cracherodii Leach 1814 black abalone | |
"Homalopoma ? bacula" = Homalopoma (Homalopoma) baculum
"Homalopoma ? bacula" = Homalopoma (Homalopoma) baculum Carpenter 1864 berry dwarf-turban | |
"Tegula brunnea" = Chlorostoma brunnea, "Tegula funebralis" = Chlorostoma funebrale
"Tegula brunnea" = Chlorostoma brunnea Philippi 1849 brown tegula
"Tegula funebralis" = Chlorostoma funebrale Adams 1855 black turban | |
"Littorina scutulata" = Littorina (Littorina) scutulata
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 checkered periwinkle | |
Acmaea mitra Eschscholtz 1833 white-cap limpet
Lottia gigantea Sowerby 1834 owl limpet
"Acmaea scabra" = Lottia scabra Gould 1846 rough limpet | |
Malacostraca | |
"Cancer (Romaleon) antennarius" = Romaleon antennarium
"Cancer (Romaleon) antennarius" = Romaleon antennarium Stimpson 1856 Pacific rock crab | |
Thecostraca | |
Balanus cf. nubilus Darwin 1854 giant acorn barnacle | |
Echinoidea | |
Strongylocentrotus cf. purpuratus Stimpson 1857 Pacific purple sea urchin |