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Pseudosphaerexochus conformis

Artiopoda - Phacopida - Cheiruridae

Taxonomy
Sphaerexochus conformis was named by Angelin (1854).

It was recombined as Cheirurus (Pseudosphaerexochus) conformis by Schmidt (1881); it was recombined as Pseudosphaerexochus conformis by Gapp et al. (2012).

Sister species lacking formal opinion data
P. approximus, P. nullicauda, P. orvikui, P. P. canadensis, P. pectinifer

Synonymy list
YearName and author
1854Sphaerexochus conformis Angelin p. 76 figs. pl. 39 f. 2
1881Cheirurus (Pseudosphaerexochus) conformis Schmidt pp. 174 - 175 figs. pl. 10 f. 5-7, 9; pl. 14 f. 28-30
2012Pseudosphaerexochus conformis Gapp et al. p. e49115

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusPseudosphaerexochus(Schmidt 1881)
speciesconformis()

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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Invalid names: Cheirurus conformis Törnquist 1884 [synonym]
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: majorg
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivoref
Vision: well-developedg
Created: 2009-06-10 07:43:18
Modified: 2010-01-10 04:06:41
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Hendy 2009

Age range: base of the Vormsi to the top of the Hirnantian or 449.90000 to 443.10000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Katian452.8 - 445.2Sweden (Dalarna) Pseudosphaerexochus conformis (124939)
Vormsi449.9 - 449.5Estonia (Hiiumaa) Cheirurus conformis (153965)
Pirgu - Hirnantian449.5 - 443.1Sweden (Dalarne) Pseudosphaerexochus conformis (73408)
Rawtheyan448.8 - 445.2United Kingdom (England) Pseudosphaerexochus conformis (161737)
Hirnantian445.2 - 443.1Sweden (Dalarne) Pseudosphaerexochus conformis (73410)
Porkuni445.2 - 443.1Estonia (Lääne-Virumaa) Cheirurus conformis (80715)