''Maoricrypta costata'', or the Ribbed Slipper Shell, is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of intertidal medium-sized

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

in the family

Calyptraeidae The Calyptraeidae are a family of small to medium-sized marine prosobranch gastropods.MolluscaBase. Calyptraeidae Lamarck, 1809. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=141 on ...

Distribution

This species occurs along the East Coast of the

North Island The North Island ( , 'the fish of Māui', historically New Ulster) is one of the two main islands of New Zealand, islands of New Zealand, separated from the larger but less populous South Island by Cook Strait. With an area of , it is the List ...

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

Cape Reinga Cape Reinga / Te Rerenga Wairua (; sometimes spelled Rēinga, ) is the northwestern most tip of the Aupōuri Peninsula, at the northern end of the North Island of New Zealand. Cape Reinga is more than 100 km north of the nearest small town ...

Whakatāne Whakatāne ( , ) is a town located in the Bay of Plenty Region, Bay of Plenty Region in the North Island of New Zealand, east of Tauranga and northeast of Rotorua. The town is situated at the mouth of the Whakatāne River. The Whakatāne Dis ...

. Powell A. W. B., William Collins Publishers Ltd, Auckland 1979

References

External links

* * Calyptraeidae Gastropods of New Zealand Gastropods described in 1824 {{Calyptraeidae-stub