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: From isolated ledges of well-indurated fossiliferous sandstone containing granitic pebbles and rocks overlying granitic rocks.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, pebbly, 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 96556: 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 | |
Gastropoda | |
Turritella gonostoma Valenciennes 1832 turret shell | |
Polinices humboldi moon snail
Polinices uber Valenciennes 1821 moon snail | |
| |
Bivalvia | |
"Cardium elatum" = Laevicardium elatum, "Cardium procerum" = Mexicardia procera
"Cardium elatum" = Laevicardium elatum Sowerby I 1833 cockle
"Cardium procerum" = Mexicardia procera Sowerby 1833 cockle | |
"Tagelus californianus" = Tagelus (Tagelus) californianus
"Tagelus californianus" = Tagelus (Tagelus) californianus Conrad 1837 clam | |
Chione californiensis Broderip and Sowerby I 1835 venus clam |