Bufonite
Pronunciation : Bu"fon*ite
Part of Speech : n.
Etymology : [L. bufo toad: cf. F. bufonite.] (Paleon.)
Definition : Defn: An old name for a fossil consisting of the petrified teeth and palatal bones of fishes belonging to the family of Pycnodonts (thick teeth), whose remains occur in the o?lite and chalk formations; toadstone; -- so named from a notion that it was originally formed in the head of a toad.
Source : Webster's Unabridged Dictionary, 1913