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Cyrtaspidichthys
Taxonomy
Cyrtaspidichthys was named by Whitley (1940). Its type is Cyrtaspis ovatus.
It was reranked as Protaspis (Cyrtaspidichthys) by Denison (1970).
It was assigned to Protaspis by Denison (1970); and to Protaspididae by Randle and Sansom (2017).
It was reranked as Protaspis (Cyrtaspidichthys) by Denison (1970).
It was assigned to Protaspis by Denison (1970); and to Protaspididae by Randle and Sansom (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Cyrtaspidichthys Whitley p. 243 |
| 1970 | Protaspis (Cyrtaspidichthys) Denison p. 20 |
| 2017 | Cyrtaspidichthys Randle and Sansom p. 596 |
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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. †Cyrtaspidichthys Whitley 1940
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†Cyrtaspidichthys ovata Bryant 1932
†Cyrtaspidichthys sculpta Bryant 1933
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Denison 1970 | Dorsal shield broad or highly vaulted. Ornamentation consisting of oval dentine tubercles arranged in rows approximately paralle lto the lines of growth (fig.7C). Branchial openings directed postero-medially at the posterior ends of the branchial plates. |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||