UCMP A-9595, Punta China (Pleistocene of Mexico)

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

• Poorly sorted, sandy gravel, with cobbles up to 10 inches in diameter.

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

Thecostraca
 Balanomorpha - Balanidae
Balanus cf. nubilus Darwin 1854 barnacle
Malacostraca
 Decapoda - Cancridae
"Cancer (Romaleon) antennarius" = Romaleon antennarium
"Cancer (Romaleon) antennarius" = Romaleon antennarium Stimpson 1856 crab
Bivalvia
 Pectinida - Pectinoidae
"Hinnites multirugosus" = Crassadoma gigantea
"Hinnites multirugosus" = Crassadoma gigantea Gray 1825 scallop
 Lucinida - Lucinidae
"Lucina californica" = Epilucina californica
"Lucina californica" = Epilucina californica Conrad 1837 clam
 Cardiida - Veneridae
"Protothaca staminea" = Leukoma staminea
"Protothaca staminea" = Leukoma staminea Conrad 1837 venus clam
Gastropoda
 Trochoidea - Turbinidae
"Homalopoma ? bacula" = Homalopoma (Homalopoma) baculum
"Homalopoma ? bacula" = Homalopoma (Homalopoma) baculum Carpenter 1864 snail
 Trochoidea - Trochidae
"Tegula brunnea" = Chlorostoma brunnea, "Tegula funebralis" = Chlorostoma funebrale
"Tegula brunnea" = Chlorostoma brunnea Philippi 1849 top snail
"Tegula funebralis" = Chlorostoma funebrale Adams 1855 top snail
 Lepetellida - Haliotidae
"Haliotis cracherodi" = Haliotis cracherodii, Haliotis rufescens
"Haliotis cracherodi" = Haliotis cracherodii Leach 1814 abalone
Haliotis rufescens Swainson 1822 abalone
 Patellida - Lottiidae
Lottia gigantea Sowerby 1834 limpet
"Acmaea scabra" = Lottia scabra Gould 1846 limpet
Acmaea mitra Eschscholtz 1833 limpet
 Sorbeoconcha - Littorinidae
"Littorina scutulata" = Littorina (Littorina) scutulata
"Littorina scutulata" = Littorina (Littorina) scutulata Gould 1849 periwinkle
Echinoidea
 Camarodonta - Strongylocentrotidae
Strongylocentrotus cf. purpuratus Stimpson 1857 sea urchin