| Maoricrypta costata | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia | 
| Phylum: | Mollusc | 
| 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 Sowerby, 1824 | |
Crepidula costata Sowerby, 1824
Maoricrypta costata, or the ribbed slipper shell, is a species of intertidal medium-sized sea snail, a marine gastropod mollusc in the family Calyptraeidae. This species occurs along the east coast of the North Island, New Zealand.