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Callistoplacidae

Polyplacophora - Chitonida - Callistoplacidae

Taxonomy
Callistoplacinae was named by Dall (1879) [m. kosnik taxon no: 7284]. It is extant.

It was corrected as Callistoplacidae by Abbott (1974) and Marquet et al. (2008); it was reranked as the family Callistoplacidae by Vendrasco et al. (2022).

It was assigned to Ischnochitonidae by Beesley (1998); to Ischnochitonina by Abbott (1974) and Marquet et al. (2008); and to Chitonida by Vendrasco et al. (2022).

Synonymy list
YearName and author
1879Callistoplacinae Dall
1974Callistoplacidae Abbott p. 399
1998Callistoplacinae Beesley p. 182
2008Callistoplacidae Marquet et al. p. 11
2022Callistoplacidae Vendrasco et al. p. 1049

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
—Serialia
classPolyplacophorade Blainville 1816
orderChitonidaThiele 1909
familyCallistoplacidae(Dall 1879)
familyCallistoplacidae(Dall 1879)

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.

Fm. Callistoplacidae Dall 1879
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G. Ceratozona Dall 1882
G. †Middendorfia Dall 1879
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†Middendorfia corrugis Boettger 1869
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Invalid names: Chiton etrechyensis de Rochebrune 1882 [synonym], Tonicia mammillata de Rochebrune 1882 [synonym]
G. Nuttallina Dall 1871
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Invalid names: Nuttallina fluxa Carpenter 1864 [synonym]
Diagnosis
ReferenceDiagnosis
M. J. Vendrasco et al. 2022Strong tegmental sculpture of thick ridges on head valve, lateral areas of intermediate valves, and post-mucronal area of tail valve. Slit rays and insertion teeth typically correspond to these ridges (Smith, 1960).
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 Rupelian to the top of the Late/Upper Pleistocene or 33.90000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 28.1 Ma

Collections (33 total)


Time interval Ma Country or state Original ID and collection number
Rupelian33.9 - 28.1Belgium Middendorfia corrugis (111371)
Messinian7.246 - 5.333USA (California) Callistochiton elenensis (227380)
Zanclean - Gelasian5.333 - 1.806USA (California) Callistochiton palmulatus (214262 214263 214272)
Late/Upper Pliocene3.6 - 2.588USA (California) Callistochiton palmulatus (200398)
Piacenzian3.6 - 2.588USA (California) Callistochiton palmulatus (186031)
Gelasian2.588 - 1.806USA (California) Callistochiton sp. (189767)
Early/Lower Pleistocene2.588 - 0.781USA (California) Callistochiton crassicostatus, Callistochiton decoratus (202496) Callistochiton sp., Nuttallina sp., Callistochiton palmulatus, Callistochiton crassicostatus, Nuttallina californica, Callistochiton decoratus (202495)
Pleistocene2.588 - 0.0117Mexico (Baja California) Callistochiton crassicostatus (96593) Callistochiton palmulatus, Callistochiton crassicostatus (96592) Nuttallina californica (96590)
Pleistocene2.588 - 0.0117USA (California) Callistochiton palmulatus, Callistochiton crassicostatus, Callistochiton decoratus (138719) Callistochiton palmulatus, Callistochiton crassicostatus, Nuttallina californica (201624)
Pleistocene - Holocene2.588 - 0.0USA (California) Callistochiton palmulatus, Callistochiton crassicostatus (138821)
Quaternary2.58 - 0.0USA (California) Callistochiton crassicostatus (37933 37939)
Middle Pleistocene0.774 - 0.129USA (California) Callistochiton palmulatus (203114) Callistochiton palmulatus, Callistochiton crassicostatus, Callistochiton decoratus (202492) Callistochiton palmulatus, Callistochiton crassicostatus, Nuttallina californica (138723) Nuttallina sp., Callistochiton palmulatus, Callistochiton crassicostatus, Callistochiton decoratus (202494) Nuttallina sp., Nuttallina californica (202493)
Late/Upper Pleistocene (interglacial)0.129 - 0.0117Mexico (Baja California) Callistochiton palmulatus, Nuttallina californica (89573 194421)
Late/Upper Pleistocene0.129 - 0.0117Mexico Callistochiton palmulatus, Callistochiton crassicostatus, Callistochiton decoratus (52347)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Callistochiton crassicostatus, Callistochiton decoratus (207041) Callistochiton palmulatus (96566 219029 219030) Callistochiton palmulatus, Callistochiton crassicostatus (160361) Nuttallina flux (202936)
Late/Upper Pleistocene0.129 - 0.0117Mexico (Baja California) Callistochiton palmulatus, Callistochiton crassicostatus (96591)