Key to the Caecilia of the Cordillera Oriental of Colombia

1. With secondary grooves................................................................................ 2

1’. Without secondary grooves............................................................................. 4

2. 111–132 primary grooves, 0–32 secondaries, a very truncated head in dorsal and ventral view................. C. guntheri

2’. More than 139 primary grooves, and more than 13 secondary grooves............................................ 3

3. 139–163 primary grooves, 21–38 secondaries, a rounded head in dorsal and ventral view, some individuals with an anterior set of secondary grooves past the nuchal collars.......................................... C. epicrionopsoides sp. nov.

3’. 169–276 primary grooves, 13–58 secondaries, a bullet-shaped head in dorsal and ventral view, and a slender and elongated body....................................................................................... C. thompsoni

4. 96–106 primary grooves, straight dentary teeth, and a small terminal shield......................... C. pulchraserrana

4’. More than 120 primary grooves, straight or recurved dentary teeth, and a small or large terminal shield................. 5

5. With subdermal scales within the connective tissue of the skin.................................. C. atelolepis sp. nov.

5’. Without subdermal scales within the connective tissue of the skin.................................................6

6. Straight dentary teeth, large terminal shield, and 120–136 primary grooves............................... C. orientalis

6’. Recurved dentary teeth................................................................................. 7

7. With large, thick, very recurved dentary teeth, a large terminal shield, and 122–132 primary grooves. C. macrodonta sp. nov.

7’. With thin, recurved dentary teeth, a small terminal shield, and 133–136 primary grooves................... C. denegerata