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Marjumia spinosa

Artiopoda - Olenida - Olenidae

Taxonomy
Marjumia spinosa was named by Robison (1988). Its type specimen is MGUH 17.287, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is GGU Collection 225563, Gustav Holm Dal, which is in a Marjumian carbonate mudstone in the Holm Dal Formation of Greenland.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1988Marjumia spinosa Robison p. 75 figs. 20.4, 8-12

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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
genusMarjumia
speciesspinosa

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.

Marjumia spinosa Robison 1988
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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
Ribbing: noneg
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-02-26 11:59:13
Modified: 2009-02-26 13:59:13
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: Menevian or 504.50000 to 499.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Menevian504.5 - 499.5Greenland (Peary Land) Marjumia spinosa (49482)
Marjumian504.5 - 497.0Greenland (Peary Land) Marjumia spinosa (49434 type locality: 49450 49483)