Medium to large, rare, chiton, 45 to 60mm long, 31 to 40mm wide. Plates broad and low and the skirt/girdle is wide and dark reddy-brown in colour. The skirt/girdle is covered with short bristles, there are clusters of longer bristles on the skirt/girdle at the corners of the plates and twice as many clusters around the outer circumference as well. The plates have single radial beaded ridges. The off-white/pale green plates have short wavy pale purple streaks from the front edge.
Intertidal on exposed rocky shores. North Island, South Island, Snares Islands and Chatham Islands
Acanthopleura ciliata (Hutton, 1873)
Acanthopleura complexa (Hutton, 1872)
Chiton biramosus (Quoy and Gaimard, 1835) (original combination)
Tonicia corticata (Hutton, 1872)
http://www.marinespecies.org/aphia.php?p=taxdetails&id=848054
New Zealand Mollusca, Marine Land and Freshwater Shells, A W B Powell, 1979
Depth | intertidal |
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Places | Chatham Islands, North Island, Snares, South Island |