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Varvia breviceps

Trilobita - Asaphida - Nileidae

Taxonomy
Symphysurus breviceps was named by Angelin (1854). It is the type species of Varvia.

It was recombined as Varvia breviceps by Hoel (1999).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1999Varvia breviceps Hoel

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyCyclopygoideaRaymond 1925
familyNileidaeAngelin 1854
genusVarviaTjernvik 1956
speciesbreviceps(Angelin 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.

Varvia breviceps Angelin 1854
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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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 18:08:02
Modified: 2009-12-14 01:04:11
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009, Hendy 2009

Age range: Billingen or 474.80000 to 471.10000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Tremadocian - Floian485.4 - 470.0Sweden (Västergötland) Varvia breviceps (190976)
Tremadocian - Floian485.4 - 470.0Norway (Eiker-Sandsvær) Varvia breviceps (190885)
Billingen474.8 - 471.1Sweden Varvia breviceps (192718 198186)