Sentence 1: Propilidium pelseneeri is a species of sea snail , a true limpet , a marine gastropod mollusk in the family Lepetidae , one of the families of true limpets .
Sentence 2: Propilidium pelseneeri is a species of the sea snail , a true limpet , a marine gastropod mollusk in the Lepetidae family , one of the families of true limpets .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?