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Callaiapsida
Taxonomy
Callaiapsida was named by Grant (1971) [As Camerisma (Callaiapsida). Sepkoski's age data: C Bash-l P Guad Sepkoski's reference number: 538].
It was assigned to Rhynchonellida by Sepkoski (2002); and to Cyrolexinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Cyrolexinae by Williams et al. (2002).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Callaiapsida Grant p. 323 |
| 2002 | Callaiaspida Sepkoski |
| 2002 | Callaiapsida Williams et al. p. 1229 |
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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.
G. †Callaiapsida Grant 1971
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†Callaiapsida arctica Holtedahl 1924
†Callaiapsida kekuensis Grant 1971
†Callaiapsida lazarevi Pavlova 1991
†Callaiapsida pentameroides Tschernyschew 1902
Diagnosis
No diagnoses are available