Genus Mylonchulus
(Cobb, 1916) Pennak, 1953
Synonym: Mononchus (Mylonchulus) Cobb, 1916
              M. (Myonchus) after Micoletzky, 1922 et. auct. lapsus

Definition:  Mononchidae.  Stoma goblet-shaped and not very large.  Dorsal tooth large, rather thorn-like, pointing forwards, opposed by 2-13 rows of minute denticles spreading round the subventral walls as rasp-like areas and a pair of small subventral teeth opposite the base of the dorsal tooth.  Oesphago-intestinal juncion non-tuberculate.  Ovaries paired; rarely single, pro- or opisthodelphic.  Tails usually short, sometimes small; caudal glands and terminal duct usually present; duct often subterminal.

Type species: Mylonchulus minor (Cobb, 1893) Andrassay, 1958

               syn.  Mylonchulus minor Cobb, 1893
                    M. (Mylonchulus) minor Cobb, 1893 (Cobb, 1916)
                    M. (My.) brachyuris v. microdenticulatus f. typicus sf. minor Cobb, 1893 (Micoletzky, 1922)
-Goodey, 1963

Species found:    at:
M. brachyuris Konza Prairie, Homestead
M. incurvus Konza Prairie, 9-Mile Prairie
M. index Konza Prairie
M. lacustris Konza Prairie, Homestead
M. montanus Konza Prairie, Jumbo Valley Fen, Nebraska cornfield
M. parabrachyuris Konza Prairie, Forensics
M. sigmaturellus Konza Prairie
M. subsimilis Konza Prairie, 9-Mile Prairie