| author | date | title | journal / publication | Haldeman SS | 1843 | Description of two new species of Cypris and a genus of Sterelmintha presumed to be new. | Proc. Acad. Nat. Sci. Phil., I. 1841-1843, page 166. |
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| Plagiostomidae Hydrolimax Haldeman, 1842 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Hydrolimax grisea Haldeman, 1843 | [with synonyms] | w | primary taxonomic authority (describer) | 166 |