This species is known only from the type locality, "Normandia, Zunia, Rio Upana" (Taylor 1968), at 1,400-1,800m asl on the eastern slopes of the Andes in Ecuador.
Author:
Diego Cisneros-Heredia, Ana Almendáriz, Mark Wilkinson
Compiler:
Diego Cisneros-Heredia, Ana Almendáriz, Mark Wilkinson
Diego Cisneros-Heredia, Ana Almendáriz, Mark Wilkinson 2004. Caecilia crassisquama. In: IUCN 2010 . IUCN Red List of Threatened Species. Version 2010.4 . <www.iucnredlist.org>