Chitonida is an

order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...

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 sea cradles or coat-of-mail shells or suck ...

s. The order was erected to class chitons with elaborate hull outgrowths on their eggs.

Taxonomy

Acanthochitonidae Acanthochitonidae is a family of marine mollusks belonging to the class Polyplacophora, commonly known as chitons. Species are widely distributed throughout the world's oceans, but are most commonly found in the shallow waters of the Pacific Oc ...

Pilsbry Henry Augustus Pilsbry (7 December 1862 – 26 October 1957) was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a cent ...

, 1893 * Callistoplacidae

, 1893 * Callochitonidae Plate, 1901 *

Chaetopleuridae Chaetopleuridae is a family of chitons. They are marine molluscs. Genera Two genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as ...

Plate, 1899 *

Chitonidae Chitonidae is a family of chitons or polyplacophorans, marine mollusks whose shell is composed of eight articulating plates or valves. There are fifteen extant genera in three subfamilies. Subfamilies and genera Subfamilies and genera within th ...

Rafinesque Constantine Samuel Rafinesque-Schmaltz (; 22 October 178318 September 1840) was a French early 19th-century polymath born near Constantinople in the Ottoman Empire and self-educated in France. He traveled as a young man in the United States, ult ...

, 1815 * Choriplacidae Ashby, 1928 * Cryptoplacidae

Adams Adams may refer to: * For persons, see Adams (surname) Places United States *Adams, California *Adams, California, former name of Corte Madera, California * Adams, Decatur County, Indiana *Adams, Kentucky *Adams, Massachusetts, a New England to ...

, 1858 *

Hemiarthridae Hemiarthrumidae is a family of 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 s ...

Sirenko, 1997 *

Ischnochitonidae Ischnochitonidae is a family of chiton, polyplacophoran mollusc belonging to the superfamily Chitonoidea. MolluscaBase eds. (2022). MolluscaBase. Ischnochitonidae Dall, 1889. Accessed through: World Register of Marine Species at: https://www.mari ...

Dall, 1889 *

Mopaliidae Mopaliidae is a family of marine molluscs in the class Class, Classes, or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or o ...

Dall, 1889 * † Ochmazochitonidae Hoare et Smith, 1984 * Schizochitonidae Dall, 1889 *

Schizoplacidae Schizoplacidae is a family of chitons belonging to the order Chitonida. Genera: * ''Schizoplax'' Dall, 1878 References

Chitonida Monogeneric chiton families {{chiton-stub ...

Bergenhayn, 1955 * Tonicellidae Simroth, 1894

References

External links

Chitonida
a
UniProt.org
{{Taxonbar, from=Q5102273 Chitons Mollusc orders