Rangitotoa insularis

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Rangitotoa insularis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Orthogastropoda
Superorder: Heterobranchia
Order: Pulmonata
Suborder: Actophila
Superfamily: Ellobioidea
Family: Carychiidae
Genus: Rangitotoa
Species: R. insularis
Binomial name
Rangitotoa insularis
Powell, 1933

Rangitotoa insularis is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Carychiidae.

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[edit] Distribution

This species is endemic to Rangitoto Island in the Hauraki Gulf in the North Island of New Zealand.

[edit] Habitat

This snail lives in the high tidal zone.

[edit] Description

The shell is minute, white and frail, cylindrical and having two columellar plaits situated almost at the basal extremity.

The radula consists of a central tooth, 16 laterals and 12 marginals, the latter comb-like, bearing from four to six cusps.

Height is up to 3.7 mm, and the width is up to 1.9 mm.

[edit] References