Are these paraphrases?
Helicigona trizona is a species of true air-breathing land snail , a small gastropod mollusk in the family Helicidae , the terrestrial snails .
Helicigona trizona is a species of small air-breathable snail , a terrestrial gastropod mollusk in the Helicidae family , the true snails .

Choose your answer from:
a). no
b). yes
a).