Traits Taxon list
- Dimorphoptychia arnoudii (Michaud, 1837) †
- Dimorphoptychia changzhouensis W. YĆ¼, 1977 †
- Dimorphoptychia douglasi Tozer, 1956 † accepted as Tozerpina douglasi (Tozer, 1956) †
- Dimorphoptychia mokowanensis Tozer, 1956 † accepted as Tozerpina mokowanensis (Tozer, 1956) †
- Dimorphoptychia rutherfordi (L. S. Russell, 1929) † accepted as Tozerpina rutherfordi (L. S. Russell, 1929) †
- Dimorphoptychia sinensis Y.-T. Li, 1984 †
- Dimorphoptychia speciosa Y.-T. Li, 1985 †
- Obbinula anthracophila (Stache, 1871) †
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