A-9776 (Cretaceous to of Venezuela)

Where: Trujillo, Venezuela (9.1° N, 70.4° W: paleocoordinates 1.6° N, 45.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Cogollo Formation, Middle Albian to Middle Albian (109.0 - 93.5 Ma)

• probabaly equivalent to A-8841

• bed-level stratigraphic resolution

Environment/lithology: marine; coarse-grained, gray, blue limestone

• bluish-gray, massive, hard coarsely crystalline limestone, locally very fossiliferous.

•grades into underlying predominately sandy Uribante Fm through a series of massive beds of hard, sandy limestones and calcareous sandstones separated by layers of softer sandy shales and calcareous shales

Collection methods: surface (in situ),

Primary reference: R.F. Rutsch and A. Salvador. 1954. Mollusks from the Cogollo and La Luna Formations (Cretaceous) of the Chejende area, western Venezuela. Journal of Paleontology 28(4):417-426 [L. Ivany/L. Ivany]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 64456: authorized by Linda Ivany, entered by Linda Ivany on 08.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Poromyida - Poromyidae