| Borysthenia Temporal range: at least from Middle Pleistocene-Recent PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
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| Subfossil shells of Borysthenia naticina | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia informal group Lower Heterobranchia |
| Superfamily: | Valvatoidea |
| Family: | Valvatidae |
| Genus: | Borysthenia Lindholm, 1913 |
Borysthenia is a genus of small freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails.
The aperture of Borysthenia is not circular. Animals are ovoviviparous.
Species
The genus Borysthenia contains the following species:
- † Borysthenia goldfussiana (Wüst, 1901)
- † Borysthenia intermedia Kondrashov, 2007 - from the Middle Pleistocene of Oka-Don Plain
- Borysthenia menkeana (Jelski, 1863)
- Borysthenia naticina (Menke, 1845) - type species as Valvata jelskii Crosse, 1863
References
- ^ Kondrashov P. E. (2007). "New gastropod species from the Pleistocene of the Upper Don basin". Paleontological Journal 41(5): 513-519. doi:10.1134/S0031030107050061.
- Lindholm W. A. (1913). "Miszellen zur Malakozoologie des Russischen Reiches. I-XIII." Ezhegodnik Zoologicheskago Muzeya Imperatorskoj Akademii Nauk - Annuaire due Musée Zoologique de l'Académie Impériale des Sciences de St.-Pétersbourg 18(1): 151-167. page 167.
- ^ "Genus summary for Borysthenia". AnimalBase, last modified 28 February 2009, accessed 22 May 2011.
| Taxon identifiers | |
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| Borysthenia | |