Task: Translation
Input (English): " Pogonodon " was described by Edward Drinker Cope in 1880 , and two species are known : " P. davisi " and " P. platycopis " .
Output (Chinese): 爱德华·斯蒂克·科普（Edward Drinker Cope）于1880年描述了“Pogonodon”。两种物种被认可，“P. davisi”和“P. platycopis”。