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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).
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).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Callistoplacinae Dall |
| 1974 | Callistoplacidae Abbott p. 399 |
| 1998 | Callistoplacinae Beesley p. 182 |
| 2008 | Callistoplacidae Marquet et al. p. 11 |
| 2022 | Callistoplacidae Vendrasco et al. p. 1049 |
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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. Callistochiton Carpenter 1879
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†Callistochiton asthenes Berry 1919
Callistochiton crassicostatus Pilsbry 1893
†Callistochiton decoratus puctocostatus Pilsbry 1896
Callistochiton elenensis Sowerby 1832
Callistochiton palmulatus Dall 1879
†Callistochiton palmulatus mirabilis Pilsbry 1893
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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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. J. Vendrasco et al. 2022 | Strong 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). |