| Sphalloplana kutscheri Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana reddelli Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana sloani Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana zeschi Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana mohri Hyman, 1938 | | w | other taxonomic work | 598 |
| Sphalloplana buchanani Hyman, 1937 | | w | other taxonomic work | 615 |
| Sphalloplana (Speophila) buchanani Hyman, 1937 | [with synonyms] | w | other taxonomic work | 615 |
| Sphalloplana (Speophila) pricei Hyman, 1937 | | w | other taxonomic work | 615 |
| Sphalloplana (Speophila) hubrichti Hyman, 1945 | | w | other taxonomic work | 615 |
| Sphalloplana mohri Hyman, 1938 | | w | other taxonomic work | 598; 600; 604; 607 |
| Sphalloplana kutscheri Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana sloani Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana zeschi Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana reddelli Mitchell, 1968 | | w | primary taxonomic authority (describer) | |
| Sphalloplana (Polypharyngea) mohri (Hyman, 1938) | | w | other taxonomic work | 598-610 |