Hemigomphus atratus Hemigomphus comitatus (Zebra Vicetail) Hemigomphus cooloola (Wallum Vicetail) Hemigomphus gouldii (Southern Vicetail) Hemigomphus heteroclytus (Stout Vicetail) Hemigomphus magela Hemigomphus theischingeri (Rainforest Vicetail)