Genus Gavialidium Saussure, 1861

Type species: Scelymena (Gavialidium) crocodilus Saussure, 1861, by subsequent designation (Kirby, 1910).

Composition. Seven species distributed in Sri Lanka, Malaysia (Malacca Peninsula, Sumatra), Philippines, and Papua-New Guinea (Saussure, 1861; Blackith, 1992; Mahmood et al., 2007; Eades et al., 2015). One new species is described below.