genus ceratodus

English Thesaurus

1. type genus of the Ceratodontidae: extinct genus of lungfishes (noun.animal)

hypernym	:	fish genus,
definition	:	any of various genus of fish (noun.animal)

member holonym	:	ceratodus,
definition	:	extinct lungfish (noun.animal)

member meronym	:	ceratodontidae, family ceratodontidae,
definition	:	lungfishes having hornlike ridges on the teeth (noun.animal)