Sentence 1: Atalacmea multilinea is a species of sea snail or genuine limpet , a marine gastropodemollusk in the Lottiidae family , one of the families of true limpets .
Sentence 2: Atalacmea multilinea is a species of sea snail or true limpet , a true gastropod mollusc in the family Lottiidae , one of the families of marine limpets .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?