Zebittium laevicordatum

Bittium laevicordatum
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Orthogastropoda
Infraclass:	Apogastropoda
Superorder:	Caenogastropoda
Order:	Sorbeoconcha
Family:	Cerithiidae
Genus:	Bittium
Species:	B. laevicordatum
Binomial name
Bittium laevicordatum (Powell, 1937)
Synonyms
Zebittium laevicordatum Powell, 1937

Bittium laevicordatum is a species of small marine gastropod mollusc in the family Cerithiidae, the cerithids.

Distribution

This cerithid is endemic to New Zealand, found only at the Three Kings Islands.

Habitat

This species is found at depths of about 260 m.

Shell description

The shell is elongated, narrow, with gently rounded whorls. The protoconch has one and a half smooth whorls. The post-nuclear whorls are sculptured with linear-spaced, flattened spiral cords, and there is no axial sculpture.

Coloration is creamy-buff with a few pale brownish spots.

Height is up to 4 mm, and width is up to 1.5 mm.

References

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