Lodderena nana nana

From Wikipedia, the free encyclopedia

Lodderena nana nana
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Orthogastropoda
Superorder: Vetigastropoda
Superfamily: Trochoidea
Family: Cyclostrematidae
Genus: Lodderena
Species: L. nana
Subspecies: L. nana nana
Trinomial name
Lodderena nana nana
(Powell, 1930)

Lodderena nana nana is a subspecies of minute sea snail or micromollusc, a marine gastropod mollusc in the family Cyclostrematidae.

Contents

[edit] Distribution

This subspecies is endemic to the north of the North Island of New Zealand.

[edit] Habitat

This snail is found at depths of between 10 and 18 m.

[edit] Shell description

This subspecies differs from Lodderena formosa in being less depressed, with lack of marked acceleration of the last whorl, stronger and fewer sutural and umbilical crenulations, and absence of spiral lirae.

The shell height is up to 0.46 mm, and the width is up to 0.72 mm.

[edit] References