The Makumunu Assumbo caecilian (Idiocranium russeli) is a species of Africancaecilian in the family Grandisoniidae.[1][2][3] It is one of the smallest of caecilians, and is found in Cameroon. It is monotypic in the genus Idiocranium.
^"Idiocranium russeli". AmphibiaWeb. University of California, Berkeley. Retrieved 17 March 2022.
^Wake, Marvalee H. (2005). "The morphology of Idiocranium russeli (Amphibia: Gymnophiona), with comments on miniaturization through heterochrony". Journal of Morphology. 189 (1): 1–16. doi:10.1002/jmor.1051890102.