Kansas Devil's Toenail Oyster
Jurassic-Cretaceous
About Kansas Devil's Toenail Oyster
The Kansas Devil's Toenail Oyster is a mollusk fossil dating to the Jurassic-Cretaceous. Devil's Toenail Oyster is a realistic Kansas fossil profile built around curved Gryphaea oyster common in marine clays and chalky beds. In this state, success usually comes from learning red beds, chalk cuts, and dry creek gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Kansas Devil's Toenail Oyster fossils from the Jurassic-Cretaceous are found across Kansas. 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
Kansas state guide
Fossil collecting rules in Kansas 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 chalk beds, Smoky Hill fossils, and Cretaceous marine forms.
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Place layer
Trail and ground routes
Location: Kanopolis State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Tuttle Creek State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Cedar Bluff State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Scott State Park
State Park • Photo opportunities, Exposed shoreline stones
Identification Tips
- ●hooked lower valve
- ●thick shell
- ●gray marl matrix
- ●Check red beds, chalk cuts, and dry creek gravels
Where Found
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