A new riparian Andean Potamites (Reptilia, Squamata, Gymnophtalmidae) from El Sira Mountains, central Peru, with comments on P. ecpleopus Cope 1875, and on the taxonomy and biogeography of Potamites. European Journal of Taxonomy, 760, Jul 14 2021: 136-159. 140 [Zoological Record Volume 157]