Children (18 direct children, 18 direct and indirect children):
Taveuni beetle
Xixuthrus terribilis
Giant fijian long-horned beetle
Fijian long-horned beetle
Xixuthrus nycticorax
Xixuthrus bufo
Xixuthrus axis
Xixuthrus lunicollis
Xixuthrus granulipennis
Xixuthrus lameerei
Xixuthrus thomsoni
Xixuthrus gressitti
Xixuthrus helleri
Xixuthrus solomonensis
Xixuthrus lansbergei
Xixuthrus costatus
Xixuthrus ganglbaueri
Xixuthrus arfakianus
Xixuthrus microcerus
Xixuthrus domingoensis