A revision and key for the tribe Diaphorolepidini (Serpentes: Dipsadidae) and checklist for the genus Synophis Author Pyron, R. Alexander Author Arteaga, Alejandro Author Echevarría, Lourdes Y. Author Torres-Carvajal, Omar text Zootaxa 2016 4171 2 293 320 journal article 10.11646/zootaxa.4171.2.4 9529a751-bd3c-46a8-83d7-ea7641844e11 1175-5326 158885 CDE07944-2354-477E-A3DA-61B713858D0C 7. Synophis zamora Torres-Carvajal, Echevarría, Venegas, Chávez, & Camper, 2015 Range. Amazonian Andean slopes of southeastern Ecuador , Zamora and Morona-Santiago provinces, ~ 800– 1800m . Description. Adult size ~ 310–460mm SVL and ~ 150–210mm TL, keeled nuchal scales; no nuchal collar; intranasals in contact; 2 postoculars; 9–11 infralabials; 8–9 supralabials; 147–154 ventrals; 88–118 subcaudals; and (19–21)-(18–21)-(17–18) dorsal scale-rows with single, heavy keel. Notes. Includes several specimens referred to S. bicolor and S. lasallei by Pyron et al. (2015) .