| Stenostomidae Rhynchoscolex Leidy, 1852 | | w | other research on this sp. | |
| Rhynchoscolex diplolithicus Reisinger, 1924 | | w | other research on this sp. | |
| Rhynchoscolex simplex plotnikovi Beklemischev, 1923 | | w | other research on this sp. | |
| Catenula turgida (Zacharias, 1902) | [with synonyms] | w | other taxonomic work | 19-20, f. 8 |
| Stenostomum agile Silliman, 1885 | | w | other research on this sp. | |
| Stenostomum arevaloi Gieysztor, 1931 | [with synonyms] | w | other research on this sp. | |
| Stenostomum bicaudatum Kennel, 1888 | | w | other research on this sp. | |
| Stenostomum brevipharyngium Kepner & Carter, 1931 | [with synonyms] | w | other research on this sp. | |
| Stenostomum ciliatum Kepner & Carter, 1931 | [with synonyms] | w | other research on this sp. | |
| Stenostomum coluber Leydig, 1854 | | w | other research on this sp. | |
| Stenostomum gigerium Kepner & Carter, 1931 | [with synonyms] | w | other research on this sp. | |
| Stenostomum grande Child, 1902 | [with synonyms] | w | other research on this sp. | |
| Stenostomum incaudatum Sonneborn, 1930 | | w | other research on this sp. | |
| Stenostomum langi Keller, 1894 | | w | other research on this sp. | |
| Anokkostenostomum membranosum (Kepner & Carter, 1931) | | w | other research on this sp. | |
| Stenostomum oesophagum Kepner & Carter, 1931 | | w | other research on this sp. | |
| Stenostomum paraguayense (Martin, 1908) | [with synonyms] | w | other research on this sp. | |
| Stenostomum perforatum Beklemischev, 1921 | | w | other research on this sp. | |
| Anokkostenostomum pseudoacetabulum (Nuttycombe & Waters, 1935) | | w | other research on this sp. | |
| Anokkostenostomum saliens (Kepner & Carter, 1931) | | w | other research on this sp. | |
| Stenostomum saltatum Kepner & Carter, 1931 | | w | other research on this sp. | |
| Stenostomum simplex Kepner & Carter, 1931 | | w | other research on this sp. | |
| Stenostomum stuhlmanni Bohmig, 1897 | | w | other research on this sp. | |
| Stenostomum turgidum Zacharias, 1902 | | w | other research on this sp. | |
| Stenostomum uronephrium Nuttycombe, 1931 | | w | other research on this sp. | |
| Stenostomum virginianum Nuttycombe, 1931 | [with synonyms] | w | other research on this sp. | |
| Stenostomidae Weldonia Martin, 1908 | | w | other research on this sp. | |
| Weldonia paraguayensis Martin, 1908 | | w | other research on this sp. | |
| Diotis grisea Schmarda, 1859 | | w | other research on this sp. | |
| Stenostomum rosulatum Marcus, 1945 | | w | primary taxonomic authority (describer) | 76-77, and 4, 7, 21, 22, 46, 94, Fig. 58 |
| Catenula lemnae Duges, 1832 | [with synonyms] | w | other taxonomic work | 11-13, f. 1-2 |
| Hofstenia atroviridis Bock, 1923 | [with synonyms] | w | other research on this sp. | 30 |
| Suomina turgida (Zacharias, 1902) | | w | other taxonomic work | |
