-
disc ~ circular, front straight
snout short
small eyesD1 base extends past pelvic baseC triangularuniform dark -
disc elongate, front convex
eyes ~absent
snout long2 similar, rounded Dspelvics: all inner edge attached to C baseC oval, top lobe larger -
disc broad, front ~straight
snout short
eyes smallD1 base not passing pelvic baseC triangularpale tan + brown blotches