Cryptoconchus porosus

Cryptoconchus porosus, the butterfly chiton, is a species of chiton, a marine polyplacophoran mollusc in the family Acanthochitonidae.[1][2][3]

The eight interlocking plates of Cryptoconchus porosus. Museum specimen

Cryptoconchus porosus
Cryptoconchus porosus from Auckland, New Zealand
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Polyplacophora
Order: Chitonida
Family: Acanthochitonidae
Genus: Cryptoconchus
Species:
C. porosus
Binomial name
Cryptoconchus porosus
(Burrow, 1815)
Synonyms

Cryptoplax depressus Blainville, 1818
Chiton leachi Blainville, 1825
Chiton monticularis Quoy and Gaimard, 1835
Cryptoconchus stewartianus Rochebrune, 1882
Acanthochites porosus Suter, 1913

Description

Cryptoconchus porosus is a large chiton reaching a length of about 45–75 millimetres (1.8–3.0 in).[4][5] The eight valves are almost completely covered by a raised girdle, young specimens may have only seven. These are pale blue or white on top, sometimes sky blue underneath, and when removed from the animal they each resemble a butterfly giving the common name. The girdle is fleshy and smooth with short sutural bristles that protrude from 18 rounded pores, which are elevated and run in two crested rows from head to tail. The colour of the dorsal surface can range from dark brown to bright orange, while the underside of the girdle is pale orange with a bright orange foot.[6]

Distribution and habitat

Cryptoconchus porosus is native to New Zealand,[2][7] and present in Madagascar.[8] These common grazers prefer outer exposed rocks washed by waves, in the low intertidal and shallow subtidal zone, or in deeper water down to 30m, often in association with sponges.[6]

gollark: For labels, 20Hz.
gollark: For redstone, yes.
gollark: Labelnet could do 600B/s, though, it's way better than 20B/s from Bundlenet.
gollark: I got the basic stuff worked out ages ago, primarily just the 256→187 encoding, but I never figured out how exactly it ought to work for actual use.
gollark: > Heh.. This is as bad as using labels for communication between side touching computers.I really should work out the high level labelnet API!

References
  1. ITIS
  2. WoRMS
  3. Catalogue of life
  4. Conchology
  5. NHMR
  6. Marine Life
  7. Museum of New Zealand
  8. Sealifebase
  • Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  • URMO: UNESCO-IOC Register of Marine Organisms. Land J. van der (ed)
  • ВI Bbewin - 1939 The Breeding Habits of Cryptoconchus porosus (Burrow)
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