Task: Paraphrasing
Input (English): " Pogonodon " was described by Edward Drinker Cope in 1880 , and two species are known : " P. davisi " and " P. platycopis " .
Output (English): " Pogonodon " was described in 1880 by Edward Drinker Cope . Two species are recognized , " P. davisi " and " P. platycopis " .