Genus Calymmophorus Solier, 1840

Generic characteristics. The five known species of Calymmophorus are characterized by head hypognathus; antennae reaching 3/4 along lateral margin of pronotum; anterior area of clypeus bent downwards forming a right angle, with margin broadened; genae fused with clypeus; pronotum with anterior margin hood-shaped, produced anteriorly over the head; anterior angles acute; lateral margin at a lower level than disc; prosternum horizontal, posteriorly subrectangular, not expanded, with distinctive anterior margin projected anteriorly covering mouthparts ventrally; each elytron with two carinae halfway between suture and lateral margin (Kulzer 1958).