| author | date | title | journal / publication | Sopott-Ehlers B, Ehlers U | 1999 | abs. | Ultrastructure of spermiogenesis and spermatozoa in Bradynectes sterreri and remarks on sperm cells in Haplopharynx rostratus and Paromalostomum fusculum: phylogenetic implications for the Macrostomorpha (Plathelminthes) | Zoomorphology 119:105-115 |
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| Paromalostomum fusculum Ax, 1952 | w | other research on this sp. | ||
| Bradynectes sterreri Rieger, 1971 | w | other research on this sp. | ||
| Haplopharynx rostratus Meixner, 1938 | w | other research on this sp. | ||
| Rhabditophora Macrostomorpha Doe, 1986 | w | other research on this sp. |