Fig. 2 in New Taxa And Cryptic Species Of Neotropical Snakes (Xenodontinae), With Commentary On Hemipenes As Generic And Specific Characters

Fig. 2. Heads of Eutrachelophis bassleri, new species. A, B. AMNH R-53473, adult female (369 mm total length), in dorsal and lateral view, ×3.9. C. TCWC 41425, juvenile male (160 mm total length), ×2.5. In addition to the white or yellow nuchal markings, the postocular extension of white or yellow labial color (B) is diagnostic of E. bassleri and its unnamed sister species (cf. fig. 4); the white preocular bar is present or absent in E. bassleri.