[ˈkəʊnədɒnt], (Noun)

Definitions:
- a fossil marine animal of the Cambrian to Triassic periods, having a long wormlike body, numerous small teeth, and a pair of eyes. It is now believed to be the earliest vertebrate


Phrases:

Origin:
mid 19th century: from modern Latin Conodonta (plural), from Greek kōnos ‘cone’ + odous, odont- ‘tooth’