UCMP Loc. A-9717 - Punta Cabras (Pleistocene of Mexico)

Where: Mexico (31.3° N, 116.5° W: paleocoordinates 31.3° N, 116.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: Sandstone lying unconformably upon gently dipping sandstone of the Rossario Fm (Late Cretaceous), overlain 2-4 ft of pebble and boulder conglomertae, by 6-8 ft of alluvium and soil. THICKNESS: 6-12 inches. AGE: Late Pleistocene. STRATIGRAPHIC POSITION: At base of unit.

• bed-level stratigraphic resolution

Environment/lithology: shoreface; poorly lithified, shelly/skeletal sandstone and lithified conglomerate

• ENVIRONMENT: Shallow water, nearshore environment, bordering an open, precipitous coast.
• SPECIFIC LITHOLOGY: Abundantly fossiliferous, poorly consolidated sand. LITHIFICATION: Poorly-lithified, based on facies description and adjacent collection.

Size class: macrofossils

Reposited in the UCMP

Collection methods: quarrying,

• COLLECTOR: W.K. Emerson (1953). REPOSITORY: University of California Museum of Paleontology.

Primary reference: W. O. Addicott and W. K. Emerson. 1959. Late Pleistocene Invertebrates from Punta Cabras, Baja California, Mexico. American Museum Novitates 1925:1-33 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 67644: authorized by Austin Hendy, entered by Austin Hendy on 30.11.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda, bivalvia, scaphopoda, polyplacophora, echinoidea, cirripedia, and bryozoans. NOMENCLATURE: Not an authoritative publication, but with occurrences assigned to species resolution by specialist.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium neohexagonum Sharp and Pilsbry 1897 tusk shell
Gastropoda
 Neotaenioglossa - Calyptraeidae
Crepidula adunca Sowerby 1824 slipper shell
 Sorbeoconcha - Naticidae
"Polinices cf. recluzianus" = Glossaulax reclusiana, Polinices ? lewisi
"Polinices cf. recluzianus" = Glossaulax reclusiana Deshayes 1839 moon snail
Polinices ? lewisi moon snail
 Neogastropoda - Muricidae
"Acanthina spirata" = Acanthinucella spirata, "Acanthina lugubris" = Mexacanthina lugubris
"Acanthina spirata" = Acanthinucella spirata Blainville 1832 murex snail
"Acanthina lugubris" = Mexacanthina lugubris Sowerby I 1822 murex snail
 Neogastropoda - Olividae
"Olivella biplicata" = Callianax biplicata, "Olivella pedroana" = Callianax pedroana
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail
 Neogastropoda - Columbellidae
Amphissa versicolor Dall 1871 snail
 Neogastropoda - Buccinidae
"Kelletia kelleti" = Kelletia kelletii
"Kelletia kelleti" = Kelletia kelletii Forbes 1852 true whelk
 Neogastropoda - Nassariidae
Nassarius perpingus, "Nassarius delosi" = Caesia delosi, "Nassarius fossatus" = Caesia fossatus
"Nassarius delosi" = Caesia delosi Woodring 1946 snail
"Nassarius fossatus" = Caesia fossatus Gould 1849 snail
 Neogastropoda - Terebridae
"Terebra pedroana" = Neoterebra pedroana
"Terebra pedroana" = Neoterebra pedroana Dall 1908 auger snail
 Neogastropoda - Turridae
"Cymatosyrinx hemphilli" = Globidrillia hemphilli
"Cymatosyrinx hemphilli" = Globidrillia hemphilli Stearns 1873 turrid
 Sorbeoconcha - Triviidae
"Pusula californianus" = Pusula (Pusula) californiana
"Pusula californianus" = Pusula (Pusula) californiana Gray 1828 snail
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam
 Lucinida - Lucinidae
"Lucina nuttalli" = Lucinisca nuttalli
"Lucina nuttalli" = Lucinisca nuttalli Conrad 1837 clam
 Cardiida - Mactridae
"Schizothaerus nuttalli" = Tresus nuttallii
"Schizothaerus nuttalli" = Tresus nuttallii Conrad 1837 clam
 Cardiida - Veneridae
"Protothaca staminea" = Leukoma staminea
"Protothaca staminea" = Leukoma staminea Conrad 1837 venus clam
 Pholadida - Pholadidae
Zirfaea pilsbryi Lowe 1931 clam