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Cyrtometopus

Trilobita - Phacopida - Cheiruridae

Taxonomy
Cyrtometopus was named by Angelin (1854) [Sepkoski's age data: O l]. It is not extant.

It was reranked as Cheirurus (Cyrtometopus) by Reed (1906).

It was assigned to Cheirurus by Reed (1906); to Phacopida by Sepkoski (2002); and to Cheiruridae by Harrington and Leanza (1957) and Jell and Adrain (2002).

Species
C. clavifrons
Species lacking formal opinion data
C. meridianus

Synonymy list
YearName and author
1854Cyrtometopus Angelin
1906Cheirurus (Cyrtometopus) Reed p. 141
1957Cyrtometopus Harrington and Leanza
2002Cyrtometopus Jell and Adrain p. 363
2002Cyrtometopus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
genusCyrtometopusAngelin 1854

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. †Cyrtometopus Angelin 1854
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†Cyrtometopus clavifrons Dalman 1827
Diagnosis
No diagnoses are available