Genus Pachymenia H. Heath, 1911
(2-5-3-0-0-5-0-4-0-0-0-0-0) Ref. Abbott, 1989 p 407 Keen & Coan, 1974 p 148 [see also under Order: Cavibelonia; Family: AMPHIMENIIDAE] abyssorum H. Heath, 1911 (2-5-3-0-0-5-0-4-0-1-0-0-0) Ref. Abbott, 1989 p 407
(2-5-3-0-0-5-0-4-0-0-0-0-0) Ref. Abbott, 1989 p 407 Keen & Coan, 1974 p 148 [see also under Order: Cavibelonia; Family: AMPHIMENIIDAE]
abyssorum H. Heath, 1911
(2-5-3-0-0-5-0-4-0-1-0-0-0) Ref. Abbott, 1989 p 407