Before revision: Toadstones were actually the button-like fossilised teeth of Lepidotes , an extinct genus of ray-finned fish from the Jurassic and Cretaceous periods.
After revision: Toadstones were actually the button-like fossilised teeth of Scheenstia (previously Lepidotes) , an extinct genus of ray-finned fish from the Jurassic and Cretaceous periods.