Maoricrypta costata

Maoricrypta costata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Littorinimorpha
Superfamily:	Calyptraeoidea
Family:	Calyptraeidae
Genus:	Maoricrypta
Species:	M. costata
Binomial name
	Maoricrypta costata; (Sowerby, 1824)
Synonyms
	Crepidula costata Deshayes, 1830 (unaccepted- homonym and synonym of C. costata G.B. Sowerby I, 1824); Crepidula costata Sowerby, 1824; Crepidula lineolata Deshayes, 1830 (possible synonym);

Maoricrypta costata, or the Ribbed Slipper Shell, is a species of intertidal medium-sized sea snail, a marine gastropod mollusc in the family Calyptraeidae. ^[1]