Macomona liliana

Taxobox
name = "Macomona liliana"
status =


regnum = Animalia
phylum = Mollusca
classis = Bivalvia
subclassis = Heterodonta
ordo = Veneroida
subordo = Cephalaspidea
superfamilia = Tellinoidea
familia = Tellinidae
genus = "Macomona"
species = "M. liliana"
binomial = "Macomona liliana"
binomial_authority = Iredale, 1915

"Macomona liliana", or the large wedge shell, is a bivalve mollusc of the family Tellinidae.

Distribution

The large wedge shell is endemic to New Zealand.

Habitat

It is found in muddy sandflats at and below low tide level.

Description

The shell is moderate to large, and fairly solid and ovate. Coloration is ivory-white, with a thin olive-coloured periostracum, usually mostly worn off. The interior is shining white, often diffused with yellow. Sculpture consists of exceedingly fine and dense concentric lirations, almost smooth to the eye.

Length is up to 66 mm, and height 50 mm.

References

* Powell A. W. B., "New Zealand Mollusca", William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
* Glen Pownall, "New Zealand Shells and Shellfish", Seven Seas Publishing Pty Ltd, Wellington, New Zealand 1979 ISBN 85467-054-8