Taxonomic and geographic variation of Liophis typhlus and related “green” species of South America (Serpentes: Colubridae).

Abstract

The gr n peci ofLiophi are reviewed... Liophis I)ph/us con iSlS of three ub pecies. L I. IJph/Lis ma:r..on • L. I. e/aeoides Chaco). and L I. bracllJ'lInlS ( crrado). Liophis l'iridi consi lS of two sub pecies. L. I'. I'iridis grcste and Atlantic rain fore 1) and L. I'. prasillUS (CaaLinga). Liop"isjaegeri i hown 10 con . I of two ub pcc1CS, L jaegerijaegeri. east of Ihe Rio Parana, from ao Paulo area of Brazil. 10 ruguay and rgenlina and L j. coraf/il'elllris. from the Rio Paraguay basin. Liophis gr./t!/III/{m i a valid species from Ihe dry central Chaco of Argentina Bolivia. and P ragua . The ch,llueters of Ih recentl described species, L Qlriw'lller and L marye/lellQe arc ummari.zcd. ke. i provided for all pecies of "green" Liopltis