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Ischyrotoma borealis

Artiopoda - Proetida - Dimeropygidae

Taxonomy
Ischyrophyma borealis was named by Fortey (1980) [Questionably assigned to genus by author.]. Its type specimen is SM A 84343, a pygidium, and it is a 3D body fossil.

It was recombined as Ischyrotoma borealis by Adrain et al. (2001).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1980Ischyrophyma borealis Fortey p. 67 figs. Pl. 12, figs. 2, 3, 5
2001Ischyrotoma borealis Adrain et al. p. 953

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyDimeropygidaeHupe 1953
genusIschyrotoma
speciesborealis()

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.

Ischyrotoma borealis Fortey 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
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: deposit feedero
Vision: well-developedf
Created: 2009-06-10 08:14:46
Modified: 2009-06-10 10:14:46
Source: g = genus, f = family, o = order, c = class
References: Hendy 2009, Fortey and Owens 1999, Alvarez et al. 2008, Aberhan et al. 2004

Age range: Whiterockian or 471.30000 to 457.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Whiterockian471.3 - 457.3Norway (Spitsbergen) Ischyrophyma borealis (106480)