Stenostomum grande | 1938 or earlier | | | collected in Virginia no specific location. |
Stenostomum tenuicaudatum | 1938 or earlier | | | collected in Virginia no specific location. |
Stenostomum glandulosum | 1938 or earlier | | | |
Stenostomum predatorium | 1938 or earlier | | | |
Stenostomum arevaloi | 1938 or earlier | | | from Piedmont and Coastal Regions a number of times. |
Anokkostenostomum ventronephrium | 1938 or earlier | | | |
Stenostomum virginianum | 1938 or earlier | | | 'large variety' from several localities. |
Macrostomum reynoldsi | 1939 or earlier | | | |
Pseudophaenocora sulfophila | 1938 or earlier | | | found in a sulphur spring in Virginia. |
Krumbachia minuta | 1938 or earlier | | | |
Macrostomum phillipsi | 1938 or earlier | | | |
Typhloplana viridata | 1956 or earlier | | | Virginia. |
Mesostoma ehrenbergii | 1957 or earlier | | | |
Macrostomum curvistylum | 1939 or earlier | | | |
Macrostomum bulbostylum | 1939 or earlier | | | |
Macrostomum glochostylum | 1939 or earlier | | | |
Macrostomum lewisi | 1939 or earlier | | | |
Microdalyellia rossi minima | 1937 or earlier | | | Virginia, kleiner Sumpf, Winter, Frühling und Herbst. |
Microdalyellia rossi virginiana | 1937 or earlier | | | Virginia, kleiner Teich, Winter, Frühling, Herbst und Winter. |
Gieysztoria triangulata | 1931 or earlier | | | Virginia, Tümpel. |