TY - JOUR T1 - Three new species of Urocleidoides (Monogenoidea: Dactylogyridae) parasitizing characiforms (Actinopterygii: Characiformes) in Tocantins River, states of Tocantins and Maranhão, and new record for U. triangulus in Guandu River, state of Rio de Janeiro, Brazil JO - Zoologia (Curitiba) A1 - Freitas, Álvaro J.B. de A1 - Bezerra, Carine A.M. A1 - Meneses, Yuri C. A1 - Justo, Marcia Cristina N. A1 - Viana, Diego C. A1 - Cohen, Simone C. SN - 1984-4670 UL - 10.3897/zoologia.38.e65001 VL - 38 Y1 - 2021 PB - Brasil ER -