Liarea is a genus of terrestrial pulmonate gastropod molluscs in the family Liareidae.

Distribution

Species in this genus are endemic to the North Island of New Zealand, being mostly concentrated in Northland.

Description

Shells of this genus have a double continuous peristome, and mostly a hydrophanous colour pattern, caused by regular loosening of the periostracum in the form of axial streaks, zigzags, chevrons, or tesselations.

Species and subspecies

• Liarea aupouria aupouria Powell, 1954
• Liarea aupouria tara Powell, 1954
• Liarea bicarinata (Suter, 1907)
• Liarea egea egea (Gray, 1850)
• Liarea egea tessellata Powell, 1954
• Liarea hochstetteri alta Powell, 1954
• Liarea hochstetteri carinella (L. Pfeiffer, 1861)
• Liarea hochstetteri hochstetteri (L. Pfeiffer, 1861)
• Liarea lepida (Suter, 1904)
• Liarea ornata Powell, 1954
• Liarea turriculata partula Powell, 1954
• Liarea turriculata turriculata (L. Pfeiffer, 1855)
• Liarea turriculata waipoua Powell, 1954

References

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