| Catenula lemnae Duges, 1832 | prior to 1945 | | | various times, found with Spirostomum ambigum. |
| Catenula sawayai (Marcus, 1945) | prior to 1945 | | | |
| Chordarium evelinae Marcus, 1945 | prior to 1945 | | | |
| Chordarium philum Marcus, 1945 | prior to 1945 | | | |
| Stenostomum tauricum Nasonov, 1924 | prior to 1945 | | | |
| Stenostomum uronephrium Nuttycombe, 1931 | prior to 1945 | | | |
| Stenostomum virginianum Nuttycombe, 1931 | prior to 1945 | | | |
| Anokkostenostomum pseudoacetabulum (Nuttycombe & Waters, 1935) | prior to 1945 | | | |
| Stenostomum cryptops Nuttycombe & Waters, 1935 | prior to 1945 | | | |