Becvar, S., and L. Purchart. 2008. Revision of the genus Hexarhopalus Fairmaire, 1897 (Coleoptera: Tenebrionidae: Cnodaloninae), with description of Malaysphena gen nov. Annales Zoologici 58:35-70.
Becvar, S., and L. Purchart. 2008. Revision of the genus Hexarhopalus Fairmaire, 1897 (Coleoptera: Tenebrionidae: Cnodaloninae), with description of Malaysphena gen nov. Annales Zoologici 58:35-70.