Ischnochiton circumvallatus

Description 2

Small chiton 12 to 21mm long, 7 to 12mm wide. Smaller than the Variable Chiton, I. maorianus, but with less difference in size between the rear and front plates. Plates and skirt/girdle are buff with a green tinge through to a pale reddy-brown. Plates have subtle radial ridges, and fine growth ring type markings.

Distribution 2

South Island (south of Otago), Stewart Island, Snares Islands, Antipodes Islands, Auckland Islands and Campbell Islands.

Synonyms 2

Chiton circumvallatus (Reeve, 1847) (original combination)
Ischnochiton antipodum (Palmer, 1945)
Ischnochiton fulvus (Suter, 1905)
Ischnochiton parkeri (Suter, 1897)
Lepidopleurus campbelli (Filhol, 1880)
Lepidopleurus melanterus (Rochebrune, 1884)
Tonicia greyi (Filhol, 1880)

http://www.marinespecies.org/aphia.php?p=taxdetails&id=832080

References 2

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

Sources and Credits

  1. (c) Peter Poortman, www.nzshells.net.nz, some rights reserved (CC BY-NC), uploaded by Tony Wills, http://www.nzshells.net.nz/Images/022A.jpg
  2. (c) Tony Wills, some rights reserved (CC BY-SA)

More Info

iNaturalist NZ Map

Places Antipodes Islands, Auckland Islands, Bluff, Campbell Islands, Stewart Island