Family Skeneopsidae Iredale 1915 (periwinkle)

Gastropoda - Littorinoidea - Skeneopsidae

Parent taxon: Littorinoidea according to P. Bouchet et al. 2005

See also Marquet 1997 and Ponder and Warén 1988

Sister taxa: none

Subtaxa: Skeneopsis Starkeyna

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Ecology: epifaunal grazer

Distribution:

• Quaternary of Ecuador (1 collection), Iceland (2), the Netherlands (1), Portugal (1), United States (1: Alaska)

• Pliocene of Belgium (1)

• Miocene of Ukraine (1)

Total: 8 collections each including a single occurrence

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