| Stenostomum grande Child, 1902 | 1938 or earlier |  |  | collected in Virginia no specific location. | 
| Stenostomum tenuicaudatum Nuttycombe & Waters, 1938 | 1938 or earlier |  |  | collected in Virginia no specific location. | 
| Stenostomum glandulosum Kepner & Carter, 1931 | 1938 or earlier |  |  |  | 
| Stenostomum predatorium Kepner & Carter, 1931 | 1938 or earlier |  |  |  | 
| Stenostomum arevaloi Gieysztor, 1931 | 1938 or earlier |  |  | from Piedmont and Coastal Regions a number of times. | 
| Anokkostenostomum ventronephrium (Nuttycombe, 1932) | 1938 or earlier |  |  |  | 
| Stenostomum virginianum Nuttycombe, 1931 | 1938 or earlier |  |  | 'large variety' from several localities. | 
| Macrostomum reynoldsi Ferguson, 1939 | 1939 or earlier |  |  |  | 
| Pseudophaenocora sulfophila Gilbert, 1938 | 1938 or earlier |  |  | found in a sulphur spring in Virginia. | 
| Krumbachia minuta Ruebush, 1938 | 1938 or earlier |  |  |  | 
| Macrostomum phillipsi Ferguson & Stirewalt, 1938 | 1938 or earlier |  |  |  | 
| Typhloplana viridata (Abildgaard, 1789) | 1956 or earlier |  |  | Virginia. | 
| Mesostoma ehrenbergii (Focke, 1836) | 1957 or earlier |  |  |  | 
| Macrostomum curvistylum Ferguson, 1939 | 1939 or earlier |  |  |  | 
| Macrostomum bulbostylum Kepner & Stiff, 1932 | 1939 or earlier |  |  |  | 
| Macrostomum glochostylum Ferguson, 1939 | 1939 or earlier |  |  |  | 
| Macrostomum lewisi Ferguson, 1939 | 1939 or earlier |  |  |  | 
| Microdalyellia rossi minima Ruebush, 1937 | 1937 or earlier |  |  | Virginia, kleiner Sumpf, Winter, Frühling und Herbst. | 
| Microdalyellia rossi virginiana (Ruebush, 1937) | 1937 or earlier |  |  | Virginia, kleiner Teich, Winter, Frühling, Herbst und Winter. | 
| Gieysztoria triangulata (Robeson, 1931) | 1931 or earlier |  |  | Virginia, Tümpel. |