Gyriscus asteleformis

Gyriscus asteleformis is a species of sea snail, a marine gastropod mollusk in the family Architectonicidae, known as the staircase shells or sundials.

Gyriscus asteleformis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia informal group Lower Heterobranchia
Superfamily:	Architectonicoidea
Family:	Architectonicidae
Genus:	Gyriscus
Species:	G. asteleformis
Binomial name
Gyriscus asteleformis Powell, 1965

Distribution

This species is endemic to New Zealand, found between the northern tip of the North Island and the Three Kings Islands.

Habitat

This species is found at depths of about 90 m.

Description

The shell height is up to 8 mm, and the width is up to 7.5 mm.

References

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1

External links

• Photo