Subgenus Crenitis Bedel, 1881

Crenitis Bedel, 1881: 306 (Type species: Hydrobius punctatostriatus Letzner, 1840).

Aparacymus Matsui & Nakane, 1995: 91 (Type species: Anacaena japonica Nakane, 1963).

Creniphilus Horn, 1890a: 267 (Type species: Hydrobius rufiventris Horn, 1873).

Noxonus d’Orchymont, 1925a: 164 (Type species: Crenitis zimmermanni Knisch, 1924c).