The history of the generic names Kellermania Ell. & Ev., Chaetoconis Clements, Scolecosporiella Petrak non Höhn., Amphorula Grove and Brencklea Petrak is reviewed. Two species are included in Kellermania, K. anomala (Cooke) Höhn., and K. major Dearn. & Barth., and one in Chaetoconis, C. polygoni (Ell. & Ev.) Clements. Brencklea is reduced to synonymy with Scolecosporiella, and this genus enlarged ... [Show full abstract] to include three species, S. typhae (Oud.) Petrak, S. sisyrinchii (Ell. & Ev.) n. comb. (≡ Kellermania sisyrinchii Ell. & Ev.), and S. kranzii n. sp. Obstipipilus n. gen., type species O. malabaricus (T.S. & K. Ramakrishnan) n. comb. (≡ Kellermania malabarica T. S. & K. Ramakrishnan), is described. Six species described in or transferred to Kellermania are excluded from the genus.