Where: Sonora, Mexico (31.3° N, 113.6° W: paleocoordinates 31.3° N, 113.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• STRATIGRAPHIC RELATIONS: From an unknown lithostratigraphic unit, which unconformably overlies granitic rocks. AGE: Late Pleistocene, on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: Poorly-cemented fossiliferous sandstone, 4 to 10 feet in thickness and overlain by 2 to 10 feet of conglomerate, outcropping in terrace face.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, shelly/skeletal sandstone
Size class: macrofossils
Collected by Emerson & Loring in 1954
• COLLECTOR: W. K. Emerson and A. P. Loring, 1954. REPOSITORY: Unknown, possible SDNHM.
Primary reference: L. G. Hertlein. 1956. Marine Pleistocene Invertebrates from near Puerto Penasco, Sonora, Mexico. Transactions of the San Diego Society of Natural History 12(8):154-176 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 96557: authorized by Austin Hendy, entered by Austin Hendy on 12.06.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Encope sp. Agassiz 1840 sand dollar | |
Actinopteri | |
Teleostei indet. Müller 1846 | |
Gastropoda | |
"Turbo fluctuosus" = Turbo (Callopoma) fluctuosus
"Turbo fluctuosus" = Turbo (Callopoma) fluctuosus Wood 1828 snail | |
Nerita scabricosta snail | |
"Polinices reclusianus" = Glossaulax reclusiana
"Polinices reclusianus" = Glossaulax reclusiana Deshayes 1839 moon snail | |
Oliva incrassata Lightfoot 1786 olive snail
Oliva spicata Durham 1950 olive snail
Olivella cf. dama Mawe 1828 olive snail | |
Nassarius cf. leucops snail | |
Solenosteira cf. pallida true whelk | |
Acanthina angelica unicorn | |
Conus cf. regularis Sowerby 1841 cone shell | |
Strombus galeatus Swainson 1823 conch | |
"Cypraea cf. annettae" = Pseudozonaria annettae
"Cypraea cf. annettae" = Pseudozonaria annettae Dall 1909 cowry | |
"Aletes sp." = Serpulorbis
"Aletes sp." = Serpulorbis Sasso 1827 worm shell | |
Crepidula sp. Lamarck 1799 slipper shell | |
Bivalvia | |
"Glans affinis" = Carditamera affinis
| |
Codakia distinguenda Tryon 1872 clam | |
"Cardium procerum" = Mexicardia procera
"Cardium procerum" = Mexicardia procera Sowerby 1833 cockle | |
"Tagelus californianus" = Tagelus (Tagelus) californianus
"Tagelus californianus" = Tagelus (Tagelus) californianus Conrad 1837 clam | |
Semele flavescens Gould 1851 clam | |
"Apolymetis cf. cognata" = Leporimetis cognata
"Apolymetis cf. cognata" = Leporimetis cognata Pilsbry and Vanatta 1902 tellin clam | |
| |
Dosinia ponderosa Gray 1838 venus clam
Chione cf. californiensis Broderip and Sowerby I 1835 venus clam
Megapitaria squalida Sowerby 1833 venus clam | |
Modiolus capax Conrad 1837 mussel
Lithophaga sp. Röding 1798 mussel | |
"Ostrea palmula" = Saccostrea palmula
"Ostrea palmula" = Saccostrea palmula Carpenter 1857 oyster | |
"Pecten vogdesi" = Euvola vogdesi Arnold 1906 scallop | |
Anomia peruviana d'Orbigny 1846 jingle | |
Gymnolaemata | |
Conopeum commensale Kirkpatrick and Metzelaar 1922 | |
"Hippopodinella adpressa" = Odontoporella
"Hippopodinella adpressa" = Odontoporella | |
Thecostraca | |
Tetraclita squamosa Bruguière 1789 green volcano barnacle | |
Balanus cf. amphitite barnacle
Balanus sp. Da Costa 1778 barnacle | |
Malacostraca | |
Eriphia squamata Stimpson 1859 crab |