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Acanthochitona (glass-hair chiton)

Polyplacophora - Chitonida - Acanthochitonidae

Taxonomy
Acanthochitona was named by Gray (1821) [Sepkoski's age data: T Ol-u R Sepkoski's reference number: 889]. It is extant. Its type is Chiton fascicularis.

It was assigned to Neoloricata by Sepkoski (2002); and to Acanthochitonidae by Berry (1922), Ladd (1966), Abbott (1974), Wells and Houston (2001), Rosenberg (2005), Wu and Lee (2024).

Species
A. avicula, A. crinita, A. fascicularis (syn. A. communis), A. pygmaea
Species lacking formal opinion data
A. ashby

Synonymy list
YearName and author
1821Acanthochitona Gray p. 234
1922Acanthochitona Berry p. 456
1966Acanthochitona Ladd p. 24
1974Acanthochitona Abbott p. 406
2001Acanthochitona Wells and Houston p. 21
2002Acanthochitona Sepkoski
2005Acanthochitona Rosenberg
2024Acanthochitona Wu and Lee

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
—Serialia
classPolyplacophorade Blainville 1816
subclassNeoloricata(Bergenhayn 1955)
orderChitonidaThiele 1909
suborderAcanthochitoninaBergenhayn 1930
familyAcanthochitonidaePilsbry 1893
genusAcanthochitonaGray 1821

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Acanthochitona Gray 1821 [glass-hair chiton]
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†Acanthochitona avicula Carpenter 1864
†Acanthochitona crinita Pennant 1777
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Invalid names: Acanthochitona communis Sabelli and Taviani 1979 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Environment: marine, brackishc
Locomotion: facultatively mobilec
Attached: yesc
Life habit: epifaunalc
Diet: grazerc
Vision: limitedc
Created: 2007-09-07 09:30:10
Modified: 2010-02-15 05:49:47
Source: c = class
Reference: Kiessling 2003

Age range

Maximum range based only on fossils: base of the Sarmatian to the top of the Late/Upper Pleistocene or 12.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 11.63 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Sarmatian12.8 - 11.63Slovakia Acanthochitona sp. (145974)
Late/Upper Miocene11.63 - 5.333Marshall Islands Acanthochitona sp. (77976 78025)
Early/Lower Pliocene5.333 - 3.6Marshall Islands Acanthochitona sp. (43320)
Late/Upper Pliocene3.6 - 2.58Italy Acanthochitona fascicularis (175548 175549) Acanthochitona fascicularis, Acanthochitona crinita (175552)
Early/Lower Pleistocene - Late/Upper Pleistocene2.58 - 0.0117Italy (Livorno) Acanthochitona fascicularis (173663)
Pleistocene - Holocene2.58 - 0.0USA (California) Acanthochitona avicula (138821)
Middle Pleistocene0.774 - 0.129USA (Florida) Acanthochitona pygmaea (61310)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Acanthochitona avicula (160361)