conodonts

'conodonts'

[conodont.n.01] as in: the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta

'conodonts'

[conodont.n.02] as in: small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes