noun
1. the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
• Hypernyms: ↑tooth
2. 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
• Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan
• Member Holonyms: ↑Conodonta, ↑order Conodonta, ↑Conodontophorida, ↑order Conodontophorida
Useful english dictionary. 2012.