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Cirquella

Trilobita - Redlichiida

Taxonomy
Cirquella was named by Fri (1993) [Sepkoski's age data: Cm Atda-u]. It is not extant.

It was assigned to Nevadioidea by Lieberman (2001); to Nevadiidae by Jell and Adrain (2002); and to Olenellida by Sepkoski (2002).

Species

Synonymy list
YearName and author
1993Cirquella Fri
2001Cirquella Lieberman p. 108 figs. Figure 6.1, 6.3
2002Cirquella Jell and Adrain p. 358
2002Cirquella Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyNevadioidea
genusCirquellaFri 1993

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. †Cirquella Fri 1993
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Cirquella nelsoni Lieberman 2001
Diagnosis
No diagnoses are available