Borysthenia

Borysthenia is a genus of small freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails.

Borysthenia
Temporal range: at least from Middle Pleistocene[1]-Recent
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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[2]

The aperture of Borysthenia is not circular.[3] Animals are ovoviviparous.[3]

Species

The genus Borysthenia contains the following species:

  • † Borysthenia goldfussiana (Wüst, 1901)
  • † Borysthenia intermedia Kondrashov, 2007 - from the Middle Pleistocene of Oka-Don Plain[1]
  • Borysthenia menkeana (Jelski, 1863)
  • Borysthenia naticina (Menke, 1845) - type species as Valvata jelskii Crosse, 1863[3]
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References
  1. 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.
  2. 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.
  3. "Genus summary for Borysthenia". AnimalBase, last modified 28 February 2009, accessed 22 May 2011.
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