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Lithopoma undosum.jpg
Shell of Megastraea undosa (W. Wood, 1828), with operculum measuring 71.4 mm height by 89.9 mm diameter, collected at Salt Creek Beach, Laguna Niguel, in California.
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea
Family: Turbinidae
Genus: Megastraea
McLean, 1970[1]
Type species
Trochus undosus W. Wood, 1828

Megastraea is a genus of medium-sized to large sea snails with a calcareous operculum, marine gastropod mollusks in the family Turbinidae, the turban snails.[2]


Species within this genus were previously placed in the genus Astraea. They include:


  1. ^ McLean J.H. (1970) New eastern Pacific subgenera of Turbo Linnaeus, 1758 and Astraea Röding, 1798. The Veliger 13(1): 71-72.
  2. ^ Bouchet, P.; Rosenberg, G. (2011). Megastraea McLean, 1970. Accessed through: World Register of Marine Species at

External links[edit]