Haliotis tuberculata vs abalone

Haliotis tuberculata and abalone both are nouns.

Word	Noun	Adjective	Verb	Adverb
Haliotis tuberculata	Yes	No	No	No
abalone	Yes	No	No	No

As nouns, abalone is a hypernym of Haliotis tuberculata; that is, abalone is a word with a broader meaning than Haliotis tuberculata:

Haliotis tuberculata: an abalone found near the Channel Islands
abalone: any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior

Other hypernyms of Haliotis tuberculata include ear-shell.

Haliotis tuberculata (noun)	abalone (noun)
an abalone found near the Channel Islands	any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior