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Xenocheilos minutum

Trilobita - Nepeidae

Taxonomy
Xenocheilos minutum was named by Wilson (1949). Its type specimen is CW-62, a cephalon/head (cranidium), and it is a 3D body fossil.

Sister species lacking formal opinion data
X. granulosus, X. minimum, X. orthos

Synonymy list
YearName and author
1949Xenocheilos minutum Wilson p. 44 figs. Pl. 9, figs. 11-13

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
familyNepeidaeWhitehouse 1939
genusXenocheilosWilson 1949
speciesminutum

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.

†Xenocheilos minutum Wilson 1949
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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-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2010-01-03 23:02:54
Modified: 2010-01-04 01:02:54
Source: f = family, c = class
References: Aberhan et al. 2004, Whittington et al. 1997

Age range: Franconian or 497.00000 to 485.40000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Franconian497.0 - 485.4USA (Arkansas) Xenocheilos minutum (77107)
Furongian497.0 - 485.4USA (Texas) Xenocheilos minutum (156292 156293)
Furongian497.0 - 485.4USA (Arkansas) Xenocheilos minutum (229128 229130 229131 229133 229193 229194 229196 229198)