Rank Species | Superfamily Planorboidea Subfamily Physinae | |
Similar |
Physa aridi is a fossil species of air-breathing freshwater snail, an extinctaquatic pulmonate gastropod mollusk in the family Physidae. This species has a small, left-handed (or sinistral) shell, as is always the case in this family. Physa aridi dates from the Senonian (Upper Cretaceous) of the Bauru Group, in São Paulo state, Brazil.
References
Physa aridi Wikipedia(Text) CC BY-SA