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
•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 | |