Valvata oregonensis (original) (raw)

Valvata oregonensis is a species of fossil freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. Taylor (1966) stated that Valvata oregonensis is a synonym of . Despite that the name Valvata oregonensis is still used (for example Pierce 1993).