UCMP Loc. A-9585 - Punta Cabras (Pleistocene of Mexico)

Where: Mexico (32.4° N, 116.5° W: paleocoordinates 32.4° N, 116.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: Conglomeratic sand at basal contact with Cretaceous agglomerate (Alistos or San Fernando formation). Overlain by 5 ft of reddish-brown alluvium with 2 inch seam of caliche at base. THICKNESS: 4-5 ft. AGE: Late Pleistocene. STRATIGRAPHIC POSITION: Unknown position within unit.

• bed-level stratigraphic resolution

Environment/lithology: shoreface; unlithified, pebbly, shelly/skeletal, conglomeratic sandstone

• ENVIRONMENT: Shallow water, nearshore environment, bordering an open, precipitous coast.
• SPECIFIC LITHOLOGY: Unconsolidated, gravelly sand containing abundant cobbles and pebbles, poorly sorted, abundant cominuted shell material. LITHIFICATION:

Size class: macrofossils

Reposited in the UCMP

Collection methods: quarrying,

• COLLECTOR: W.K. Emerson (1954). 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 67613: authorized by Austin Hendy, entered by Austin Hendy on 27.11.2006

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.
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam
 Cardiida - Semelidae
"Semele decisa" = Semele (Semele) decisa
"Semele decisa" = Semele (Semele) decisa Conrad 1837 clam
 Cardiida - Tellinidae
Macoma nasuta Conrad 1837 tellin clam
SUBSPECIES: M. nasuta helseyi
 Cardiida - Mactridae
"Schizothaerus nuttalli" = Tresus nuttallii
"Schizothaerus nuttalli" = Tresus nuttallii Conrad 1837 clam
 Cardiida - Chamidae
Chama arcana1 Bernard 1976 jewel box
 Cardiida - Veneridae
"Petricola carditoides" = Petricola (Petricola) carditoides
"Petricola carditoides" = Petricola (Petricola) carditoides Conrad 1837 venus clam
 Lucinida - Lucinidae
"Lucina californica" = Epilucina californica, "Lucina nuttalli" = Lucinisca nuttalli, Here excavata
"Lucina californica" = Epilucina californica Conrad 1837 clam
"Lucina nuttalli" = Lucinisca nuttalli Conrad 1837 clam
Here excavata Carpenter 1857 clam
 Ostreida - Ostreidae
Ostrea lurida Carpenter 1864 oyster
 Pectinida - Pectinoidae
Leptopecten latiauratus, "Hinnites multirugosus" = Crassadoma gigantea
Leptopecten latiauratus Conrad 1837 scallop
"Hinnites multirugosus" = Crassadoma gigantea Gray 1825 scallop
 Mytilida - Mytilidae
Mytilus californianus Conrad 1837 mussel
Polyplacophora
 Neoloricata - Acanthochitonidae
Cryptochiton stelleri Middendorf 1847 chiton
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium neohexagonum Sharp and Pilsbry 1897 tusk shell
Gastropoda
 Trochoidea - Trochidae
Calliostoma ligatum, "Tegula cf. gallina" = Chlorostoma gallina, "Tegula brunnea" = Chlorostoma brunnea, "Tegula funebralis" = Chlorostoma funebrale
Calliostoma ligatum Gould 1849 top snail
"Tegula cf. gallina" = Chlorostoma gallina Forbes 1850 top snail
"Tegula brunnea" = Chlorostoma brunnea Philippi 1849 top snail
"Tegula funebralis" = Chlorostoma funebrale Adams 1855 top snail
 Lepetellida - Haliotidae
"Haliotis cracherodi" = Haliotis cracherodii
"Haliotis cracherodi" = Haliotis cracherodii Leach 1814 abalone
 Patellida - Lottiidae
Acmaea mitra, "Acmaea pelta" = Lottia pelta, "Acmaea cf. scutum" = Lottia scutum
Acmaea mitra Eschscholtz 1833 limpet
"Acmaea pelta" = Lottia pelta Eschscholtz 1833 limpet
"Acmaea cf. scutum" = Lottia scutum Eschscholtz 1833 limpet
 Neotaenioglossa - Calyptraeidae
Crepidula norrisianum Williamson 1905 slipper shell
 Sorbeoconcha - Bursidae
"Bursa californica" = Crossata ventricosa
"Bursa californica" = Crossata ventricosa Broderip 1833 frog shell
 Neogastropoda - Olividae
"Olivella pedroana" = Callianax pedroana, "Olivella biplicata" = Callianax biplicata
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail
 Neogastropoda - Muricidae
"Jaton festiva" = Pteropurpura festiva, "Thais haemastoma" = Stramonita haemostoma, Thais emarginata
"Jaton festiva" = Pteropurpura festiva Hinds 1844 murex snail
"Thais haemastoma" = Stramonita haemostoma Linnaeus 1767 murex snail
SUBSPECIES: T. haemastoma biserialis
Thais emarginata Deshayes 1839 murex snail
 Neogastropoda - Mitridae
"Mitra ? idae" = Mitra (Atrimitra) idae
"Mitra ? idae" = Mitra (Atrimitra) idae Melville 1893 mitre shell
 Neogastropoda - Nassariidae
Nassarius perpingus, "Nassarius fossatus" = Caesia fossatus, "Nassarius delosi" = Caesia delosi, "Nassarius mendicus" = Hima mendica
"Nassarius fossatus" = Caesia fossatus Gould 1849 snail
"Nassarius delosi" = Caesia delosi Woodring 1946 snail
"Nassarius mendicus" = Hima mendica Gould 1849 snail
 Neogastropoda - Buccinidae
"Kelletia kelleti" = Kelletia kelletii
"Kelletia kelleti" = Kelletia kelletii Forbes 1852 true whelk
 Neogastropoda - Columbellidae
Amphissa versicolor, "Mitrella carinata" = Alia carinata
Amphissa versicolor Dall 1871 snail
"Mitrella carinata" = Alia carinata Hinds 1844 dovesnail
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Turridae
"Clathrodrillia incisa" = Ophiodermella incisa
"Clathrodrillia incisa" = Ophiodermella incisa Carpenter 1863 turrid
SUBSPECIES: C. incisa fancherae; MISSPELT: Clathrodrilla
 Neogastropoda - Terebridae
"Terebra pedroana" = Neoterebra pedroana
"Terebra pedroana" = Neoterebra pedroana Dall 1908 auger snail
 Sorbeoconcha - Triviidae
"Pusula californianus" = Pusula (Pusula) californiana
"Pusula californianus" = Pusula (Pusula) californiana Gray 1828 snail
 Sorbeoconcha - Hipponicidae
Hipponix tumens Carpenter 1864 hoof shell
Antisabia panamensis2 Adams 1852 hoof shell
 Sorbeoconcha - Naticidae
"Polinices cf. recluzianus" = Glossaulax reclusiana3, Polinices lewisi
"Polinices cf. recluzianus" = Glossaulax reclusiana3 Deshayes 1839 moon snail
Polinices lewisi moon snail
Thecostraca
 Balanomorpha - Balanidae
Balanus cf. nubilus Darwin 1854 barnacle