Sentence 1: Probuccinum tenerum is a species of sea snail , a true gastropod mollusc in the Buccinidae family , the whelks marine .
Sentence 2: Probuccinum tenerum is a species of sea snail , a marine gastropod mollusk in the family Buccinidae , the true whelks .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?