Sentence 1: Helicigona trizona is a species of true air-breathing land snail , a small gastropod mollusk in the family Helicidae , the terrestrial snails .
Sentence 2: Helicigona trizona is a species of small air-breathable snail , a terrestrial gastropod mollusk in the Helicidae family , the true snails .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?