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Triarthrus freji

Artiopoda - Olenida - Olenidae

Taxonomy
Triarthrus freji was named by Thorslund (1940). Its type specimen is SGU 6709, a cephalon/head (cranidium), and it is a 3D body fossil.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1940Triarthrus freji Thorslund p. 130

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderOlenida
familyOlenidaeBurmeister 1843
subfamilyOleninaeBurmeister 1843
genusTriarthrusGreen 1832
speciesfrejiThorslund 1940

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.

Triarthrus freji Thorslund 1940
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Spines: noneg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-08 12:45:18
Modified: 2009-06-08 14:45:18
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: Caradoc or 458.20000 to 449.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Caradoc458.2 - 449.5Sweden Triarthrus freji (275910)