[1]
Vanzolini, P.E. 1990. Cercolophia, a new genus for the species of Amphisbaena with a terminal vertical keel on the tail (Reptilia, Amphisbaenia). Papéis Avulsos de Zoologia. 37, (Feb. 1990), 401–412. DOI:https://doi.org/10.11606/0031-1049.1990.37.p401-412.