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Xenostegium shepardi

Artiopoda - Asaphida - Asaphidae

Taxonomy
Megalaspis shepardi was named by Raymond (1922). Its type specimen is MCZ 1685 and is a mold.

It was recombined as Xenostegium shepardi by Raymond (1925).

Synonymy list
YearName and author
1922Megalaspis shepardi Raymond p. 204
1925Xenostegium shepardi Raymond p. 82 figs. Plate 3, fig. 21.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
genusXenostegiumWalcott 1924
speciesshepardi(Raymond 1922)

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.

Xenostegium shepardi Raymond 1922
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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-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 14:38:06
Modified: 2009-12-14 00:45:08
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Hendy 2009, Aberhan et al. 2004
Collections
No collection or age range data are available