Cr. nanoluteus:

MNHN 1993-260 (holotype, dig.), MNHN 1993-261 (1), MNHN 1993-263 (1, XR) (paratypes), ANSP 104377 (9), Panama, Bocas del Toro, brooks of Rio Guarumo at Chiriquicito ; MHNG uncat. (2), Panama, Rio Priki ; NRM 25942 (2), Panama, Chiriquí Grande, Rio Guarumo (Guabo) ; NRM 35880 (1), Panama, Bocas del Toro, Rio Guaromo [Guarumo] .