Key to the genera of Gelastocephalini

Length of vertex more than 1.7 x width, produced in front of the eyes by more than half an eye length.

Select - Genus Corylonga Löcker & Fletcher

Length of vertex less than 1.3 x width, produced in front of the eyes by less than half an eye length

Select - Genus Holgus Löcker & Larivière (part)