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Sphaerexochus bridgei

Trilobita - Phacopida - Cheiruridae

Taxonomy
Sphaerexochus bridgei was named by Cooper and Kindle (1936).

Sister species lacking formal opinion data
S. arcuatus, S. dimorphis, S. filius, S. lanei, S. lorum

Synonymy list
YearName and author
1936Sphaerexochus bridgei Cooper and Kindle

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusSphaerexochusBeyrich 1845
speciesbridgeiCooper and Kindle 1936

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 bridgei Cooper and Kindle 1936
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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: Harrington et al. 1959, Aberhan et al. 2004, Hendy 2009

Age range: base of the Rawtheyan to the top of the Gamachian or 448.80000 to 443.70000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Richmondian - Gamachian449.6 - 443.7Canada (Quebec) Sphaerexochus bridgei (37469 37790)
Pirgu449.5 - 445.2Norway (Asker) Sphaerexochus bridgei (163377 163411)
Rawtheyan448.8 - 445.2Norway (Asker) Sphaerexochus bridgei (163410)
Rawtheyan448.8 - 445.2Norway Sphaerexochus bridgei (159370 163365)
Rawtheyan - Hirnantian448.8 - 443.4Norway Sphaerexochus bridgei (159371 163364)
Rawtheyan - Hirnantian448.8 - 443.4Norway (Asker) Sphaerexochus bridgei (163378)
Hirnantian445.2 - 443.4Norway Sphaerexochus bridgei (163382)