Two new species of Curvianchoratus (Monogenoidea, Dactylogyridae) parasitizing Psectrogaster amazonica (Characiformes, Curimatidae) and a new record for Curvianchoratus singularis in the Tocantins River, Maranhao, Brazil. ZooKeys, 1172, Jul 21 2023: 101-116. 108 [Zoological Record Volume 159]