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Cyrtometopinae

Trilobita - Phacopida - Cheiruridae

Taxonomy
Cyrtometopinae was named by Oepik (1937).

It was assigned to Cheiruridae by Nikolaisen (1961), Nikolaisen (1965).

Subtaxa
Cyrtometopella

Synonymy list
YearName and author
1937Cyrtometopinae Oepik
1961Cyrtometopinae Nikolaisen
1965Cyrtometopinae Nikolaisen

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilyCyrtometopinaeOepik 1937
subfamilyCyrtometopinaeOepik 1937

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.

Subfm. †Cyrtometopinae Oepik 1937
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G. †Cyrtometopella Nikolaisen 1961
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†Cyrtometopella askerensis Nikolaisen 1961
†Cyrtometopella rosenthali Schmidt 1881
†Cyrtometopella tumula Nikolaisen 1961
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Created: 2009-06-11 14:43:11
Modified: 2012-08-27 07:38:08
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Uhaku to the top of the Johvi or 459.70000 to 449.90000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Llandeilo461.1 - 458.2Norway Cyrtometopella sp. (3250)
Uhaku - Kukruse459.7 - 456.8Norway (Oslo Asker) Cyrtometopella tumula (191100)
Soudleyan - Marshbrookian458.2 - 454.0Norway Cyrtometopella sp. (2945)
Kukruse458.0 - 456.8Norway (Oslo-Asker) Cyrtometopella askerensis (191112) Cyrtometopella tumula (191111)
Haljala - Keila456.8 - 452.8Norway (Asker) Cyrtometopella tumula (191107)
Johvi452.8 - 449.9Russian Federation Hemisphaerocoryphe rosenthali (167727 167739)