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Sphaerexochus romingeri

Trilobita - Phacopida - Cheiruridae

Taxonomy
Sphaerexochus romingeri was named by Hall (1868).

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

Synonymy list
YearName and author
1868Sphaerexochus romingeri Hall
1916Sphaerexochus romingeri Raymond p. 41
1925Sphaerexochus romingeri Raymond pp. 150 - 151 figs. Plate 10, fig. 1, 2

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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
speciesromingeriHall 1868

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.

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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: base of the Wenlock to the top of the Ludfordian or 432.90000 to 422.70000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Niagaran439.4 - 422.7USA (Indiana) Sphaerexochus romingeri (22818)
Wenlock432.9 - 426.7USA (Wisconsin) Sphaerexochus romingeri (13353)
Wenlock - Ludlow432.9 - 422.7USA (Wisconsin) Sphaerexochus romingeri (24937 24942 24944)
Wenlock - Ludlow432.9 - 422.7USA (Illinois) Sphaerexochus romingeri (24935 24936 24938)
Wenlock - Silurian432.9 - 419.62USA (Wisconsin) Sphaerexochus romingeri (13069 13075 13107)
Ludfordian425.0 - 422.7USA (Indiana) Sphaerexochus romingeri (6706)