Vallecillo fossil fish quarries

Where: Nuevo Leon · North America · approx. 26.66, -99.99 (vicinity only)

Why this spot: Cretaceous platy limestone quarried for flagstone that yields superbly preserved fish and ammonites

What turns up: fossil fish, ammonites, inoceramids (mostly observation)

Access: Restricted.

Quarries are private and fossils are federal property, visits via the museum and quarry owners.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.