Megastraea

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]

Megastraea
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
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Turbinidae
Genus:	Megastraea McLean, 1970[1]
Type species
Trochus undosus W. Wood, 1828

Species

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

• Megastraea turbanica (Dall, 1910)
• Megastraea undosa (Wood, 1828)