Where: Texas · Europe · approx. 29.33, -103.6 (vicinity only)
Why this spot: Cretaceous
What turns up: Ammonites, oysters (Exogyra), echinoids in Boquillas/Pen Fms; dinosaur beds protected in park
Access: Gray area.
Outside the national park, ranch and roadcut Cretaceous invertebrates are collectable with permission; Big Bend National Park is strictly prohibited.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.