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Varvia

Trilobita - Asaphida - Nileidae

Taxonomy
Varvia was named by Tjernvik (1956) [Sepkoski's age data: O Trem-u O Aren-l]. Its type is Symphysurus breviceps.

It was assigned to Nileidae by Hoel (1999) and Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).

Species
Species lacking formal opinion data

Synonymy list
YearName and author
1956Varvia Tjernvik
1999Varvia Hoel
2002Varvia Jell and Adrain p. 457
2002Varvia Sepkoski

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

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. †Varvia Tjernvik 1956
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Varvia breviceps Angelin 1854
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: Hendy 2009, Hendy et al. 2009, Aberhan et al. 2004

Age range: base of the Varangu to the top of the Billingen or 485.40000 to 471.10000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7Sweden V. longicauda (3107 3108)
Varangu485.4 - 484.5Norway (Oslo) V. longicauda (3183)
Tremadocian - Floian485.4 - 470.0Norway (Eiker-Sandsvær) V. breviceps (190885)
Tremadocian - Floian485.4 - 470.0Sweden V. falensis (3194) V. sp. (3195)
Tremadocian - Floian485.4 - 470.0Sweden (Västergötland) V. breviceps (190976)
Tulean480.8 - 474.9USA (Nevada) V. sp. (104520)
Arenig478.6 - 466.0Sweden V. sp. (3196 3198 3199 3246)
Billingen474.8 - 471.1Sweden V. breviceps (192718 198186)