Sentence 1: Conotalopia mustelina is a species of sea snail , a marine gastropodemollusk in the Trochidae family , the top snails .
Sentence 2: Conotalopia mustelina is a species of sea snail , a top gastropod mollusk in the family Trochidae , the marine snails .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?