''Cryptoconchus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

chiton Chitons () are marine molluscs of varying size in the class Polyplacophora (), formerly known as Amphineura. About 940 extant and 430 fossil species are recognized. They are also sometimes known as gumboots or sea cradles or coat-of-mail sh ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Acanthochitonidae Acanthochitonidae is a family of chitons, marine molluscs in the class Polyplacophora. 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 ...

Species

* '' Cryptoconchus porosus'' - the ''butterfly chiton'' * ''

Cryptoconchus floridanus ''Cryptoconchus'' is a genus of chitons in the family Acanthochitonidae. Species * ''Cryptoconchus porosus ''Cryptoconchus porosus'', the butterfly chiton, is a species of chiton, a marine polyplacophoran mollusc in the family Acanthochito ...

'' - the ''white-barred chiton''

Extinct species

The genus is also represented in the fossil record, in Pliocene and Pleistocene rocks.

References

* * Powell A W B, ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 Acanthochitonidae Extant Pliocene first appearances {{Chiton-stub