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Arthrorhachis mobergi

Artiopoda - Agnostida - Metagnostidae

Taxonomy
Trinodus mobergi was named by Tjernvik (1956) [= 1906 Agnastus trinodus SALTER var.-MoBERG & SEGERBERG, Ceratopygeregionen, p. 78 , pi. 4 , fi g . 5ยท (Description a n d fi g . of pygidium.)]. Its type specimen is PMU V g281, a cephalon/head, and it is a 3D body fossil.

It was recombined as Arthrorhachis mobergi by Fortey (1980), Ahlberg (1992), Ebbestad (1999).

Sister species lacking formal opinion data
A. comes, A. doulargensis, A. girvanensis, A. knockerkensis

Synonymy list
YearName and author
1956Trinodus mobergi Tjernvik pp. 195 - 196 figs. PI . I , figs. r 8 , r g. Text-fig. 28 A
1980Arthrorhachis mobergi Fortey pp. 27, 32
1992Arthrorhachis mobergi Ahlberg pp. 560-561 figs. 16a-i
1999Arthrorhachis mobergi Ebbestad pp. 22 - 24 fig. 18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyMetagnostidaeJaekel 1909
genusArthrorhachisHawle and Corda 1847
speciesmobergi()

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.

†Arthrorhachis mobergi Tjernvik 1956
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Vision: blindf
Created: 2009-06-08 09:05:00
Modified: 2009-06-08 11:05:00
Source: g = genus, f = family, o = order
References: Hendy 2009, Kiessling 2004

Age range: Varangu or 483.80000 to 482.90000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Varangu483.8 - 482.9Sweden Arthrorhachis mobergi (172663)
Varangu483.8 - 482.9Norway (Oslo) Trinodus mobergi (3183)