Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: "Lower Heterobranchia"
Superfamilia: Valvatoidea
Familia: Valvatidae
Genus: Borysthenia
Species (1 + 6†): B. naticina – †B. biformis – †B. goldfussiana – †B. intermedia – †B. juxi – †B. mankeanaformis – †B. pronaticina
Name
Borysthenia Lindholm, 1913
References
Links
Borysthenia in the World Register of Marine Species
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.[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]
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.
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