Verified by TroveRadar Field Database
Updated March 2026
795+ Fossil Entries
marine-reptileLate CretaceousUpdated March 2026

South Dakota Mosasaur Tooth

Late Cretaceous

South Dakota Mosasaur Tooth fossil specimen

About South Dakota Mosasaur Tooth

The South Dakota Mosasaur Tooth is a marine-reptile fossil dating to the Late Cretaceous. Mosasaur Tooth is a realistic South Dakota fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning chalk beds, badlands mudstones, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

“According to TroveRadar, South Dakota Mosasaur Tooth fossils from the Late Cretaceous are found across South Dakota. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.

🧭

Pin this South Dakota Mosasaur Tooth specimen in your field journal

TroveRadar app -- free on iOS and Android

Get App

Identification Tips

  • faceted enamel
  • slightly curved cone
  • massive root
  • Check chalk beds, badlands mudstones, and river gravels

Where Found

South Dakota

Take TroveRadar Into the Field

Offline maps, species identification, and find logging. Never lose a honey-hole again.

Download Free App

Related Fossils

Photo coming soon

North Dakota Mosasaur Tooth

Late Cretaceous

Mosasaur Tooth is a realistic North Dakota fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning chalk beds, badlands mudstones, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

marine-reptile
Photo coming soon

Nebraska Mosasaur Tooth

Late Cretaceous

Mosasaur Tooth is a realistic Nebraska fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning chalk beds, badlands mudstones, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

marine-reptile
Photo coming soon

Kansas Mosasaur Tooth

Late Cretaceous

Mosasaur Tooth is a realistic Kansas fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning chalk beds, badlands mudstones, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

marine-reptile
Photo coming soon

Oklahoma Mosasaur Tooth

Late Cretaceous

Mosasaur Tooth is a realistic Oklahoma fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning chalk beds, badlands mudstones, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

marine-reptile
Photo coming soon

Florida Mosasaur Tooth

Late Cretaceous

Mosasaur Tooth is a realistic Florida fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning phosphate pits, shell hash beaches, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

marine-reptile
Photo coming soon

Alabama Mosasaur Tooth

Late Cretaceous

Mosasaur Tooth is a realistic Alabama fossil profile built around robust conical tooth from large marine lizards of the interior seaway. In this state, success usually comes from learning phosphate pits, shell hash beaches, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

marine-reptile

Explore More

How do I identify a South Dakota Mosasaur Tooth fossil?
South Dakota Mosasaur Tooth fossils from the Late Cretaceous can be identified by: faceted enamel. slightly curved cone. massive root. Check chalk beds, badlands mudstones, and river gravels. They are most commonly found in South Dakota.
Where are South Dakota Mosasaur Tooth fossils found?
South Dakota Mosasaur Tooth fossils are found in South Dakota. Look in sedimentary rock formations dating to the Late Cretaceous era. The best collecting is typically found in exposed roadcuts, creek banks, and quarry sites.
How old are South Dakota Mosasaur Tooth fossils?
South Dakota Mosasaur Tooth fossils date to the Late Cretaceous. They are classified as marine-reptile fossils in TroveRadar's database, which catalogs 795+ fossil entries across North America.
Is it legal to collect South Dakota Mosasaur Tooth fossils?
Fossil collecting laws vary by state and land ownership. Common invertebrate fossils are generally collectible on some public lands for personal use, but vertebrate fossils and collecting on protected lands may require permits. Always check local regulations before collecting. Use TroveRadar's State Guides for specific rules.