Harring and Myers—The Rotifers of Wisconsin . 
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Monostyla acus Harring. 
Monostyla bulla Gosse. 
Monostyla closterocerca Schmarda. 
Monostyla cornuta (Miiller). .. 
Monostyla crenata Harring. 
Monostyla furcata Murray. 
Monostyla hamata Stokes. 
Monostyla lunaris Ehrenberg. 
Monostyla monostyla (Daday) = Diarthra monostyla Daday. 
Monostyla pygmaea Daday — Monostyla turbo Murray. 
Lepadella acuminata (Ehrenberg) = Metopidia acuminata Ehrenberg. 
Lepadella amphitropis Harring. 
Lepadella apsida Harring. 
Lepadella benjamini Harring. 
Lepadella cristata (Rousselet). 
Lepadella cyrtopus Harring. 
Lepadella ehrenbergii (Perty). 
Lepadella ovalis (Muller) = Metopidia solidus Gosse. 
Lepadella patella (Miiller) — Metopidia lepadella Ehrenberg. 
Lepadella quinquecostata (Lucks). 
Lepadella rhomboides (Gosse). 
Lepadella rhomboidula (Bryce). 
Lepadella triptera Ehrenberg. 
Colurella bicuspidata (Ehrenberg). 
Colurella defiexa (Ehrenberg). 
Colurella obtusa (Gosse). 
Colurella sulcata (Stenroos). 
Colurella tesselata (Glasscott). 
Squatinella bifurcai (Hudson) = Stephanops bifurcus Hudson. 
Squatinella leydigii (Zacharias) — Stephanops leydigii Zacharias. 
Squatinella longispinata (Tatem) = Stephanops longispinatus Tatem. 
Squatinella mutica (Ehrenberg) — Stephanops muticus Ehrenberg 
Squatinella stylata (Milne) = Stephanops stylatus Milne. 
Squatinella tenella (Bryce) = Stephanops tenellus Bryce. 
Squatinella tridentata (Fresenius) = Stephanops intermedins Burn. 
Trichotria intermedia (Bergendal) = Dinocharis intermedia Bergendal. 
Trichotria pocillum (Muller) = Dinocharis pocillum (Muller). 
Trichotria similis (Stenroos )= Dinocharis similis Stenroos. 
Trichotria tetractis (Ehrenberg) — Dinocharis tetractis Ehrenberg. 
Wolga spinifera (Western) = Distyla spinifera Western. 
Lophocharis oxysternon (Gosse) = Metopidia Oxysternon Gosse. 
Lophocharis salpina (Ehrenberg) = Metopidia salpina Ehrenberg. 
Macrochaetus collinsii (Gosse) — Dinocharis collinsii Gosse. 
Macrochaetus subquadratus Perty =Polychaetus subquadratus (Perty). 
Scaridium eudactylotum Gosse. 
Scaridium longicaudum (Muller). 
Trichocerca bicristata (Gosse) = Rattulus bicristatus (Gosse). 
Trichocerca bicuspes (Pell) — Rattulus bicuspes (Pell) 
