Acanthochitonidae is a family of chiton

Chiton

Chitons are small to large, primitive marine molluscs in the class Polyplacophora.There are 900 to 1,000 extant species of chitons in the class, which was formerly known as Amphineura....

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Description

These small to large chitons are characterised by a broad girdle with erect tufts of up to ten large bristles. The coarsely granular valves of the shell are partially overlapped by the girdle. This girdle is all covered by coarse spines. The articulating flange, or articulamentum, is well developed. The margin of the cephalic plate has about five slits. The lateral insertion plates all have a single notch.

Genera

According to the World Register of Marine Species

World Register of Marine Species

The World Register of Marine Species is a database that hopes to provide an authoritative and comprehensive list of names of marine organisms. The content of the registry is edited and maintained by scientific specialists on each group of organism. These taxonomists control the quality of the...

 (WoRMS) the following genera are included in this family

• Acanthochitona
  Acanthochitona
  Acanthochitona is a genus of chitons in the family Acanthochitonidae, of worldwide distribution.-Species:According to the World Register of Marine Species , species in the genus Acanthopleura include...
  
    Gray, 1821
• Amycula
• Bassethullia Pilsbry, 1928
• Choneplax Carpenter MS, Dall, 1882
• Craspedochiton
  Craspedochiton
  Craspedochiton is a genus of chitons in the family Acanthochitonidae, endemic to New Zealand, the Philippines and Australia.-Species:* Craspedochiton cornutus * Craspedochiton elegans * Craspedochiton hemphilli...
  
   Shuttleworth, 1853
• Craspedoplax Iredale & Hull, 1925
• Cryptoconchus
  Cryptoconchus
  Cryptoconchus is a genus of chitons in the family Acanthochitonidae.- C. porosus :Cryptoconchus porosus, common name the butterfly chiton, is a large chiton with the following synonyms:...
  
   de Blainville MS, Burrow, 1815
• Leptoplax Carpenter MS, Dall, 1882
• Notoplax
  Notoplax
  Notoplax is a genus of chitons in the family Acanthochitonidae.-Species:* Notoplax addenda Iredale & Hull, 1925* Notoplax aenigma * Notoplax aqabaensis* Notoplax arabica Kaas & Van Belle, 1988...
  
   H. Adams, 1861
• Onithochiton
  Onithochiton
  Onithochiton is a genus of chitons in the family Chitonidae, which is distributed from Australia and New Zealand to South Africa.-Species:* Onithochiton ashbyi* Onithochiton discrepans* Onithochiton gotoi* Onithochiton helenae...
  
   Gray, 1847
• Pseudotonicia Ashby, 1928