Neodiscocotyle carpioditis n. gen., n. sp., monogenetic trematode (Discocotylidae: Neodiscocotylinae subfam. n.) from the gills of the quillback, Carpiodes cyprinus (Le Sueur) of Lake Erie. Canadian Journal of Zoology, 45 1967: 473-478. [Zoological Record Volume 104]