Genus Longiflagrum Guţu, 1995

Type species: Apseudes estuarius Boesch, 1973 .

Species included: L caeruleus (Boesch, 1973); L. estuarius (Boesch, 1973), L. koyonense (Angsupanich, 2004), L. nasutus (Nunomura, 2005), L. amphibium sp. n.