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Sphaerexochus glaber

Trilobita - Phacopida - Cheiruridae

Taxonomy
Sphaerexochus glaber was named by Holloway (1980). It is a 3D body fossil. Its type locality is Trilobites of the St Clair Limestone, Arkansas, which is in a Wenlock deep subtidal ramp grainstone/lime mudstone in the St. Clair Limestone Formation of Arkansas.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1980Sphaerexochus glaber Holloway
2011Sphaerexochus glaber Congreve and Lieberman pp. Table S1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusSphaerexochusBeyrich 1845
speciesglaberHolloway 1980

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.

Sphaerexochus glaber Holloway 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Spines: minorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedg
Created: 2009-06-09 12:26:29
Modified: 2010-01-10 03:55:17
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009, Harrington et al. 1959

Age range: Wenlock or 433.40000 to 427.40000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Wenlock433.4 - 427.4USA (Oklahoma) Sphaerexochus glaber (26021)
Wenlock433.4 - 427.4USA (Arkansas) Sphaerexochus glaber (type locality: 26020 229058)