Macrosiagon
Macrosiagon is a genus of wedge-shaped beetles in the family Ripiphoridae. There are more than 20 described species in Macrosiagon. Under the rules of the ICZN, the nomenclatural gender of the genus name is feminine, as it is based on the Greek word "siagon", for "jaw", which is feminine in gender, despite recent publications erroneously treating the gender as neuter
Macrosiagon acutipennis Pierce, 1904Macrosiagon bifasciata Macrosiagon bifoveata Horn, 1875Macrosiagon bimaculata Macrosiagon bipunctata Macrosiagon capito Macrosiagon championi Macrosiagon crassipes Macrosiagon cruenta Macrosiagon cucullata Macrosiagon cyanivestis Marseul, 1876†Macrosiagon deuvei Batelka, Collomb & Nel, 2006Macrosiagon difficilis Macrosiagon dimidiata Macrosiagon diversiceps Macrosiagon elegans Marseul, 1876Macrosiagon ebboi Perrichot, Nel & Néraudeau, 2004Macrosiagon fernalda Rivnay, 1929Macrosiagon ferruginea Macrosiagon flavipennis Macrosiagon fortieri Macrosiagon grombczewskii Macrosiagon interioris Macrosiagon laeviceps Macrosiagon limbata Macrosiagon macleayi Csiki, 1913Macrosiagon maculicollis Macrosiagon medvedevi Iablokoff-Khnzorian, 1973Macrosiagon meridionalis Macrosiagon nasuta Macrosiagon nigroapicalis Macrosiagon novaehollandiae Macrosiagon oberthurii Macrosiagon octomaculata Macrosiagon pallidipennis Macrosiagon pectinata Macrosiagon pictipennis Macrosiagon praeusta Macrosiagon punctata Macrosiagon punctulaticeps Macrosiagon pusilla Macrosiagon rufofasciata Macrosiagon sayi Macrosiagon semipunctata Macrosiagon setipennis Macrosiagon sobrina Macrosiagon spinicollis Macrosiagon terminata Macrosiagon tricolor Macrosiagon tricuspidata