Menezes NA. Acestrocephalus boehlkei, a new and disjunct Cynopotamine from ecuadorean and peruvian amazon (Osteichthyes, Ostariophysi, Characidae). Pap. Avulsos Zool. 1977;30(1-20 (1976-1977):185-193. doi:10.11606/0031-1049.1977.30.p185-193