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Range DescriptionThis species is known only from the northern face of Mount Tchabal Mbabo, at 1,950-2,000 m asl, in Adamawa Province in western Cameroon (Lawson 2000). It may occur in neighbouring Nigeria and other mountains in the region such as Mount Nghana (T. Doherty-Bone pers. comm. October 2012). Two herpetological surveys (including pitfall trapping) of Mount Tchabal Mbabo conducted since the 1997 survey that led to its description (1998, 2000; 14 days each in the dry season) failed to locate caecilians (Herrmann et al. 2006). Mount Tchabal Mbabo has been surveyed only sporadically, probably because of limited accessibility and distance from most urban centres (Doherty-Bone et al. 2011). Using its known range as a proxy, the estimated extent of occurrence (EOO) is 39 km2.