Holotypes and allotypes of Calvertagrion dicellularis St Quentin, 1960 and Inpabasis eliasi Santos, 1961 were compared to holotypes of Agrion? minutissimum Selys, 1876 and Leptobasis rosea Selys, 1877, respectively. The first 2 names are considered junior synonyms of the older names. Diagnostic illustrations of all type material are provided.