Costatophora B.A. Marshall, 1994
Original reference. Marshall 1994: 40.
Type species. Triforis (Monophorus) seranus Fischer, 1927, by original designation.
Remarks. Gender: feminine. Introduced as a subgenus of Tetraphora Laseron, 1958 . See remarks under Brucetriphora Beu, 2004 .