Subgenus Trichogalumna (Tanzanycha) Koçak & Kemal, 2008 stat. nov.
—see Note 3.7 in Taxonomic notes section
(= Didymonycha Mahunka, 1984 preoc. Аurivillius, 1922) Type species: Didymonycha hesperis Mahunka, 1984, p. 128
Body surface without strongly developed sculpture or ornamentation. Rostral setae distanced from lamellar lines. Bothridial setae clavate, fusiform, lanceolate. Notogastral porose areas Aa undivided. Median pore present in females and males. Adanal lyrifissures located close and lateral to anal aperture. Leg tarsi with two claws. Other morphological traits correspond to generic diagnosis.
Statement of monophyly: Monophyletic
Distribution: Ethiopian region
Known species: one species—see Note 5.8 in Taxonomic notes section