Where: Trujillo, Venezuela (9.1° N, 70.4° W: paleocoordinates 2.9° N, 47.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: La Luna Formation, Turonian (93.5 - 89.3 Ma)
• middle of La Luna Fm, near 90 m in measured section
•most probably lower Turnonian
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, concretionary, black, gray, calcareous, carbonaceous shale and lithified, black, gray, carbonaceous limestone
•bituminous throughout, contains ellipsoidal limestone concretinos of varying size. in this area, calcareous shales form the bulk of the formation.
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 64444: authorized by Linda Ivany, entered by Linda Ivany on 08.09.2006