Given a sentence in Chinese, provide an equivalent paraphrased translation in English that retains the same meaning both through the translation and the paraphrase.

1880年Edward Drinker Cope描述了“Pogonodon”，有两种物种：“P. davisi”和“P. platycopis”。
" Pogonodon " was described in 1880 by Edward Drinker Cope . Two species are recognized , " P. davisi " and " P. platycopis " .