Sentence 1: `` Pogonodon '' was described by Edward Drinker Cope in 1880 , and two species are known : `` P. davisi '' and `` P. platycopis '' .
Sentence 2: Pogonodon was recognised by Edward Drinker Cope in 1880 , two species are described : `` P. davisi '' and `` P. platycopis '' .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?