Parspina argentinensis (Szidat, 1954)

Proneochasmus argentinensis Szidat, 1954

Material deposited: MACN-Pa (type and voucher material).

Hosts: Pimelodus maculatus [= Pimelodus clarias (Linnaeus)] (type host), P. albicans, P. argenteus, Iheringichthys labrosus, Pimelodella gracilis, Parapimelodus valenciennis (Lütken) ( Siluriformes; Pimelodidae).

Localities: La Plata River in front of Buenos Aires City (type locality); Colastiné River (tributary of Paraná River), Santa Fe Province; Paraná-Guazú River, Entre Ríos Province.

Site of infection: Stomach, anterior, middle and posterior part of intestine.

References: Szidat (1954), Ostrowski de Núñez et al. (2011a).

Remarks: Ostrowski de Núñez et al. (2011a) redescribed and studied the tegument surface of the species.