Basiliscus vs reptile genus

Basiliscus and reptile genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Basiliscus	Yes	No	No	No
reptile genus	Yes	No	No	No

As nouns, reptile genus is a hypernym of Basiliscus; that is, reptile genus is a word with a broader meaning than Basiliscus:

Basiliscus: a reptile genus of Iguanidae, containing the basilisks (Basiliscus)
reptile genus: a genus of reptiles

Basiliscus (noun)	reptile genus (noun)
a reptile genus of Iguanidae, containing the basilisks (Basiliscus)	a genus of reptiles