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Ctenopyge (Eoctenopyge) angusta

Artiopoda - Olenida - Olenidae

Taxonomy
Ctenopyge flagellifera angusta was named by Westergård (1922). Its type specimen is SGU305, a cephalon/head (cranidium), and it is a 3D body fossil.

It was recombined as Ctenopyge (Eoctenopyge) angusta by Henningsmoen (1957), Henningsmoen (1958); it was recombined as Sphaerophthalmus angustus by Høyberget and Bruton (2012).

Sister species lacking formal opinion data
C. pecten, C. tumida, C. directa, C. erecta, C. similis, C. tumida

Synonymy list
YearName and author
1922Ctenopyge flagellifera angusta Westergård p. 153 figs. pl. 11, figs. 2–5, 8
1957Ctenopyge (Eoctenopyge) angusta Henningsmoen p. 187 figs. pl. 5, pl. 19, figs. 11-16, 18
1958Ctenopyge (Eoctenopyge) angusta Henningsmoen pp. 190, 192 figs. pl. 3
2012Sphaerophthalmus angustus Høyberget and Bruton pp. 439 - 440 figs. 4B; 6A–F

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderOlenida
familyOlenidaeBurmeister 1843
subfamilyLeptoplastinaeAngelin 1854
genusCtenopygeAngelin 1854
subgenusEoctenopyge
speciesangusta(Westergård 1922)

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.

†Ctenopyge (Eoctenopyge) angusta Westergård 1922
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Diagnosis
ReferenceDiagnosis
M. Høyberget and D. L. Bruton 2012A Sphaerophthalmus species with centres of palpebral lobes opposite S1. Glabellar furrows shallow. Palpebral area convex, elevated above palpebral lobes. Librigenal posterior lateral margin nearly straight and shorter than convex anterior lateral margin.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Created: 2009-06-11 18:16:45
Modified: 2009-12-19 06:27:27
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: Stage 10 or 491.00000 to 486.85000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Furongian497.0 - 486.85Sweden (Östergötland) Ctenopyge angusta (191157)
Stage 10491.0 - 486.85Sweden Ctenopyge angusta (203760)