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.
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. (en)
Borysthenia is een geslacht van weekdieren uit de familie van de Valvatidae. (nl)
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. (en)
Borysthenia is een geslacht van weekdieren uit de familie van de Valvatidae. (nl)