Mainwaringia is a genus of sea snails or freshwater snails, marine gastropod mollusks in the family Littorinidae, the winkles or periwinkles. Species Species within the genus Mainwaringia include: Mainwaringia leithii (E. A. Smith, 1876) Mainwaringia paludomoidea Nevill Mainwaringia rhizophila Reid, 1986 References External links Littorinidae