| Page last updated
2 October 2009 |
Mussel of the Month
The October 2009 Mussel of the Month is Inversidens brandtii. Inversidens is a genus of two species, found in Japan, China, and eastern Russia.
SMF 3646. Mikawa, Japan (type of U. parcedentata).
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Inversidens is currently thought of as consisting of only two species. Formerly, however, it was regarded to have as many as six species (Haas, 1969). Improvements in data beyond just conchological similarities have inspired several revisions, resulting in the former Inversidens being split into three different genera: Inversidens, Inversiunio, and Pronodularia. Since we published our global checklist (Graf & Cummings, 2007), new species have been described in both Inversiunio and Pronodularia. Furthermore, the Russian Comparatory School of Malacology has has also weighed in and recognized numerous species that no one else sees. We don't regard their special brand of splitting to be that helpful.
| Haas (1969) |
Current |
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Inversidens brandtii
Inversidens parcedentata |
Inversidens brandtii |
| Inversidens pantoensis |
Inversidens pantoensis |
Inversidens japanensis japanensis
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Pronodularia japanensis
Pronodularia seomjinensis |
Inversidens japanensis jokohamensis
Inversidens haconensis |
Inversiunio jokohamensis |
| Inversidens reinianus |
Inversiunio reinianus |
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Inversiunio yanagawensis |
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Inversiunio verrucosus |
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Classification:
Phylum Mollusca
Class Bivalvia
Subclass Palaeoheterodonta
Order Unionoida
Superfamily UNIONOIDEA Rafinesque, 1820
Family UNIONIDAE s.s.
Genus Inversidens Haas, 1911
Species Inversidens brandtii (Kobelt, 1879) |
For more information about the taxonomy of Inversidens, check out:
- Graf, D.L. & K.S. Cummings. 2007. Review of the systematics and global diversity of freshwater mussel species (Bivalvia: Unionoida). Journal of Molluscan Studies 73: 291-314.
- Haas, F. 1969. Superfamilia Unionacea. Das Tierreich (Berlin) 88: 663 pp.
- Kondo, T. 1982. Taxonomic revision of Inversidens (Bivalvia: Unionidae). Venus 41: 181-198.
- Kondo, T. Y. Hyun, & C. Seung-Ho. 2007. Two new species of unionid mussels (Bivalvia: Unionidae) from Korea. Venus 66: 69-73.
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