Crassicutis cichlasomae Manter, 1936
Material deposited: MACN-Pa 591/1‒2, 592 (new voucher material).
Host: Cichlasoma mayorum Hubbs (type host, México), Cichlasoma dimerus * (Heckel), Crenicichla lepidota * Heckel ( Perciformes: Cichlidae).
Locality: Cenote, Yucatán, México (type locality); Colastiné River** (tributary of Paraná River), Santa Fe Province.
Site of infection: Intestine.
References: Fernandes & Kohn (2001), Arredondo (2013).
Remarks: First record of this species in Argentina.