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Cephalaspidiformes
Taxonomy
Cephalaspidiformes is an order. It is not extant.
It was assigned to Cephalaspidomorphi by Sepkoski (2002), Long (2011) and Nelson et al. (2016).
It was assigned to Cephalaspidomorphi by Sepkoski (2002), Long (2011) and Nelson et al. (2016).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Osteostraci Gadow p. 4 |
| 1902 | Osteostraci Hay p. 340 |
| 1964 | Osteostraci Obruchev p. 106 |
| 1999 | Osteostraci Dineley and Metcalf p. 11 |
| 2002 | Cephalaspidoformes Sepkoski |
| 2011 | Cephalaspidiformes Long p. 241 |
| 2016 | Cephalaspidiformes Nelson et al. p. 33 |
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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.
Or. †Cephalaspidiformes
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G. †Aachenaspis
G. †Fieldingaspis
G. †Ilemoraspis
G. †Oeselaspis
G. †Procephalaspis
G. †Saaremaaspis
G. †Sclerodus
G. †Tannuaspis
G. †Thyestes
G. †Timanaspis
G. †Tuvaspis
G. †Tyriaspis
Invalid names: Osteostraci [synonym]
Diagnosis
No diagnoses are available