Cardioglossa leucomystax
It is found in large parts of Central Africa ( Cameroon , southeastern Central African Republic , Equatorial Guinea , Gabon , the Republic of the Congo , and northeastern Democratic Republic of the Congo ) , extending into south-easternmost West Africa ( Nigeria ) . 
<triplet> Central Africa <subj> Cameroon <obj> has part <subj> Central African Republic <obj> has part <subj> Democratic Republic of the Congo <obj> has part <subj> West Africa <obj> shares border with <triplet> West Africa <subj> Central Africa <obj> shares border with <subj> Nigeria <obj> has part <triplet> Nigeria <subj> West Africa <obj> part of