Scott Jr. NJ, Giraudo AR, Scrocchi G, Aquino AL, Cacciali P, Motte M. The genera Boiruna and Clelia (serpentes: pseudoboini) in Paraguay and Argentina . Pap. Avulsos Zool. 2006;46(9):77-105. doi:10.1590/S0031-10492006000900001