ammonites
Bahia La Choya (Pleistocene of Mexico)

Where: Sonora, Mexico (31.3° N, 113.6° W: paleocoordinates 31.3° N, 113.6° W)

• coordinate estimated from map

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

• Sangamonian

Environment/lithology: marginal marine; poorly lithified, shelly/skeletal, sandy conglomerate

• fossiliferous, strongly to poorly cemented, fine to coarse grained sandstones and conglomerates. They rest unconformably on Mid-Tertiary(?) granites or basalts

Size class: macrofossils

Preservation: cast, mold/impression, original calcite

Collection methods: bulk,

Primary reference: M. Aberhan and F.T. Fursich. 1991. Paleoecology and paleoenvironments of the Pleistocene deposits of Bahia la Choya (Gulf of California, Sonora, Mexico). Zitteliana 18:135-163 [L. Ivany/P. Wall/P. Wall] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 44963: authorized by Linda Ivany, entered by Patrick Wall on 23.09.2004, edited by Austin Hendy