Sentence 1: Leptonotis perplexus is a kind of small limpet-like sea snail , a marine gastropod mollusk in the Hipponicidae family , the hoof snails .
Sentence 2: Leptonotis perplexus is a species of small limpet-like sea snail , a marine gastropod mollusk in the family Hipponicidae , the hoof snails .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?