- conodont - tiny fossil cone-shaped tooth of the most primitive vertebrate: the conodont
--1 is a kind of tooth
- conodont - small (2 in) 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
--2 is a kind of jawless vertebrate, jawless fish, agnathan
--2 is a member ofConodonta, order Conodonta, Conodontophorida, order Conodontophorida - conodont - small (2 in) 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