Sentence 1: Priotrochus is a genus of sea snails , top gastropod mollusks in the family Trochidae , the marine snails .
Sentence 2: Priotrochus is a genus of marine snails , top gastropod molluscs in the Trochidae family , the sea snails .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?