Also known as Section 4 - Tidal channel shell bed type
Where: Sonora, Mexico (31.8° N, 114.1° W: paleocoordinates 31.8° N, 114.1° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• Pleistocene fluvial, eolian, and deltaic deposits exposed in sea cliffs, overlain by coquina bed (dated at 125,00 bp)
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; unlithified, burrowed sandstone
Size class: macrofossils
Preservation: mold/impression, original calcite
Collection methods: bulk,
• No comments on collection metholodolgy
Primary reference: K.H. Meldahl and A. H. Cutler. 1992. Neotectonics and taphonomy; Pleistocene molluscan shell accumulations in the northern Gulf of California. Palaios 7(2):187-197 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 34939: authorized by Austin Hendy, entered by Austin Hendy on 20.10.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
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Echinoidea | |
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Bivalvia | |
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"Anomia adamas" = Anomia peruviana
"Anomia adamas" = Anomia peruviana d'Orbigny 1846 jingle | |
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Chione californiensis Broderip and Sowerby I 1835 venus clam | |
Gastropoda | |
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Cerithium sp. Bruguière 1789 cerith snail | |
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Cirripedia | |
Cirripedia indet. barnacle Listed as "Barnacle plates"; abundance not given due to poor preservation
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