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Acanthochitona sp.
Chiton
Shannon White (2013)




 

Fact Sheet

Minimize

Summary


Physical Description

Size


Description


Identification resources


Distribution and Ecology

Local distribution and microhabitat


Biogeographical distribution


Life History & Behaviour

Behaviour and locomotion


Reproduction


Feeding


Respiration


Anatomy & Physiology

External Morphology


Internal Anatomy


Evolution & Systematics

Fossil History


Phylogenetics


Conservation & Threats


References & Links

Reference List

Summary

Acanthochitona sp. is a chiton, from the molluscan class, Polyplacophora. Polyplacophora means "bearer of many plates" and the eight articulated shell plates that occur on the dorsal side, known as valves are the distinct characteristic of chitons. Acanthochitona sp. is small with a dorso-ventrally flattened and elongate body. The visible area of the valves, know as the tegmentum, is reduced due a large fleshy area, known as the girdle that surrounds them. This girdle is covered in many clear spicule tufts. Acanthochitona sp. is cryptic, and are found in holes and crevices on the underside of rocks and coral boulders on reef crests, such as the one on Heron Island, Australia. The genus appears to have a worldwide distribution.

Acanthochitona sp. feed using an apparatus know as a radula, common in molluscs, which scrapes algae and other organisms off rocks. The radula is elaborate for such a tiny animal and was described through the use of scanning electron microscopy (SEM). The valves of Acanthochitona sp. were also described through the use of SEM and were found to be very morphologically distinct and possess sensory and excretory pores, known as aesthetes. Acanthochitona sp. also has distinct sexes and reproduction involves spawning and a characteristic larval stage. Use the sub-headings on the left to find out more about this interesting chiton!  

Classification

Minimize
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochiton sagamicus (Bergenhayn, 1933)
Chiton achates (Gould, 1859)

Common Names

ヒメケハダヒザラガイ
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Americhiton andersoni ((Watters, 1981))
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites approximans (Hedley & Hull, 1912)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites armatus (Pease, 1872)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites arragonites (Carpenter, 1857)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Chiton astriger (Reeve, 1847)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites avicula (Carpenter, 1857)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochitona elongata (Kaas, 1972)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites bednalli (Pilsbry, 1894)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites biformis (Nierstrasz, 1905)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites bisulcatus (Pilsbry, 1893)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites bouvieri (Rochebrune, 1881)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochiton brookesi (Ashby, 1926)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochitona burhardtae ([sic])
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Chiton circellatus (A. Adams & Reeve MS, Reeve, 1847)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochiton complanatus (Hull, 1924)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites coxi (Pilsbry, 1894)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochaetes vulgaris (Leach, 1852)
Acanthochites adansoni (Rochebrune, 1881)
Acanthochites aeneus (Risso, 1826, sensu Monterosato, 1879)
Acanthochites carinatus (Risso, 1826)
Acanthochites fascicularis ((Linnaeus, 1767))
Acanthochites fascicularis cinnabrina (Dautzenberg & Durouchoux, 1906)
Acanthochites fascicularis fusca (Dautzenberg & Durouchoux, 1906)
Acanthochites fascicularis lutescens (Dautzenberg & Durouchoux, 1906)
Acanthochiton adansoni ((Rochebrune, 1881))
Acanthochitona crinita crinita ((Pennant, 1777))
Chiton fascicularis attenuata (Jeffreys, 1865)
Chiton fascicularis minor (Philippi, 1836)
Chiton onyx (Spengler, 1797)

Common Names

kleine borstelkeverslak
bristly mail chiton
bristly mail shell
petit chiton épineux
Europäische Stachel-Käferschnecke
quitón espinoso
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Amycula defilippii (Tapparone Canefri, 1874)

Common Names

ケハダヒザラガイ
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites aeneus (Risso, 1826)
Acanthochites discrepans ((Brown, 1827))
Anisochiton discrepans ((Brown, 1827))
Chiton discrepans (Brown, 1827)
Chiton gracilis (Jeffreys, 1859)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochiton dissimilis (Is. & Iw. Taki, 1931)

Common Names

ビロウドヒザラガイ
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites exquisitus (Pilsbry, 1893)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites communis (Risso, 1826)
Acanthochites discrepans albina (Dautzenberg & Durouchoux, 1900)
Acanthochites discrepans violaceolimbata (Dautzenberg & Durouchoux, 1906)
Acanthochites hamatus (Rochebrune, 1882)
Acanthochiton communis ((Risso, 1826))
Acanthochiton communis barashi (Leloup, 1969)
Acanthochiton discrepans angustivalva (Bergenhayn, 1931)
Acanthochiton heterochaetus (Bergenhayn, 1931)
Acanthochitona communis ((Risso, 1826))
Anisochiton discrepans elongata (Dautzenberg, 1893)
Anisochiton discrepans marmorata (Dautzenberg, 1893)
Anisochiton discrepans nigrolineata (Dautzenberg, 1893)
Chiton echinotus (Blainville, 1825)
Chiton fascicularis (Linnaeus, 1767)
Chiton fascicularis major (Philippi, 1836)
Chiton fascicularis rubra (Issel, 1870)

Common Names

grote borstelkeverslak
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochiton turtoni (Ashby, 1928)
Chiton garnoti (Blainville, 1825)

Common Names

spiny chiton
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochiton gatliffi (Ashby, 1919)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites granostriatus (Pilsbry, 1894)
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochites hemphilli (Pilsbry, 1893)
Craspedochiton hemphilli ((Pilsbry, 1893))
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona

Synonyms

Acanthochitona hirudiniformis hirudiniformis ((Sowerby I, 1832))
Kingdom
Animalia
Phylum
Mollusca
Class
Polyplacophora
Order
Chitonida
Superfamily
Cryptoplacoidea
Family
Acanthochitonidae
Genus
Acanthochitona
Species
hirudiniformis

Synonyms

Acanthochiton peruvianus (Leloup, 1941)