Description ¹

Uncommon, 16 to 20mm long, 11.5 to 13mm wide. Plates are covered by a pattern of fine wrinkles. It has a narrow skirt/girdle of small triangular scales that is quite thick. Plates have a dark-green base colour with front to back darker lines. Occasionally some plates may be white or have white patches. Bathams card 1631 says "Distinctive features: Blue lines on lateral area of valves"

Distribution ¹

Under stones near low tide zone on open coasts. North Island west coastline, Otago Peninsula, South Island.

References ¹

New Zealand Mollusca, Marine Land and Freshwater Shells, A W B Powell, 1979
Bathams card 1631

Synonyms ¹

Aerilamma murdochi (Reeve, 1847)

Sources and Credits

1. (c) Tony Wills, some rights reserved (CC BY-SA)

More Info

• iNaturalist NZ taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• SeaLifeBase
• World Register of Marine Species

iNaturalist NZ Map