![](http://www.alamy.com/thumbs/6/7FFE4E8C-3C0B-4FB0-8D59-56DB138912D8/2X0W037.jpg)
Nodilittorina pyramidalis, commonly known as a pyramid periwinkle, is a species of sea snail, a marine gastropod mollusk in the family Littorinidae.
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Photo credit: © Frédéric Grimaître / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: animal, australia, caenogastropoda, gastropod, gastropoda, hypsogastropoda, littorinidae, littorinimorpha, littorinoidea, marine, mollusca, mollusk, nodilittorina, periwinkle, pyramid, pyramidalis, sea, snail