South Dakota Mosasaur Tooth
Late Cretaceous
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 696+ fossil entries for identification and collection guidance.”
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Timing layer
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Law layer
South Dakota state guide
Fossil collecting rules in South Dakota vary by land status and fossil type. Common invertebrate fossils may be collectible on some public lands, but vertebrate fossils, protected park units, tribal lands, and cultural sites require a much higher level of care and often a permit. This is especially relevant in Hell Creek fossils, ammonites, and Oligocene mammals.
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Place layer
Trail and ground routes
Location: Black Hills National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Custer State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Badlands National Park
National Park • Site-specific opportunities, Historic landscape clues
Location: Palisades State Park
State Park • Photo opportunities, Exposed shoreline stones
Identification Tips
- ●faceted enamel
- ●slightly curved cone
- ●massive root
- ●Check chalk beds, badlands mudstones, and river gravels
Where Found
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Related Fossils
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.
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.
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.
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.
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.
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.