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Iyouella

Trilobita - Redlichiida - Holmiidae

Taxonomy
Iyouella was named by Geyer and Palmer (1995) [Sepkoski's age data: Cm Atda-u]. It is not extant.

It was assigned to Holmiidae by Whittington et al. (1997); and to Olenellida by Sepkoski (2002).

Species lacking formal opinion data

Synonymy list
YearName and author
1995Iyouella Geyer and Palmer
1997Iyouella Whittington et al. p. 416
2002Iyouella Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderRedlichiidaRichter 1932
suborderOlenellina
superfamilyOlenelloidea
familyHolmiidaeHupé 1953
genusIyouellaGeyer and Palmer 1995

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. †Iyouella Geyer and Palmer 1995
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-21 06:03:46
Modified: 2009-12-21 08:03:46
Source: f = family, o = order, c = class
References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009

Age range: Atdabanian or 521.00000 to 516.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Atdabanian521.0 - 516.0Morocco I. contracta (8974)