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Gymnostomix

Trilobita - Trinucleida - Trinucleidae

Taxonomy
Gymnostomix was named by Fortey and Owens (1987) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 726]. It is not extant.

It was assigned to Ptychopariida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2002).

Synonymy list
YearName and author
1987Gymnostomix Fortey and Owens
2002Gymnostomix Jell and Adrain p. 381
2002Gymnostomix Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderTrinucleida(Swinnerton 1915)
familyTrinucleidaeHawle and Corda 1847
genusGymnostomixFortey and Owens 1987

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. †Gymnostomix Fortey and Owens 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: suspension feederf
Created: 2009-06-11 19:35:52
Modified: 2012-08-27 07:27:29
Source: f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: Arenig or 478.60000 to 466.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Arenig478.6 - 466.0United Kingdom (England) G. sp. (3708)