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Celtencrinurus multisegmentatus

Trilobita - Phacopida - Encrinuridae

Taxonomy
Calymene multisegmentatus was named by Portlock (1843). Its type specimen is GSM 35416, a pygidium, and it is a 3D body fossil. Its type locality is Desertcreat, which is in a Pusgillian/Cautleyan offshore mudstone in the Killey Bridge Formation of the United Kingdom. It is the type species of Celtencrinurus.

It was recombined as Amphion multisegmentatus by Portlock (1843); it was synonymized subjectively with Encrinurus striatus by Warburg (1925); it was recombined as Encrinurus multisegmentatus by Tripp (1957); it was recombined as Celtencrinurus multisegmentatus by Evitt and Tripp (1977); it was recombined as Erratencrinurus (Celtencrinurus) multisegmentatus by Owen (1981) and Owen and Heath (1989).

Synonymy list
YearName and author
1843Amphion multisegmentatus Portlock p. 291 figs. pl. 3, figs. 6a, b
1957Encrinurus multisegmentatus Tripp pp. 61 - 65 figs. Plate 11, figs. 6-8; Plate 12, figs. 1-6
1977Celtencrinurus multisegmentatus Evitt and Tripp p. 119
1981Erratencrinurus (Celtencrinurus) multisegmentatus Owen
1989Erratencrinurus (Celtencrinurus) multisegmentatus Owen and Heath

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyEncrinuridaeAngelin 1854
genusCeltencrinurus
speciesmultisegmentatus(Portlock 1843)

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
ReferenceDiagnosis
R. P. Tripp 1957Cranidium gently convex longitudinally; glabella elongate, depressed posteriorly; frontal lobe approximately half Jength of glabella. T'ubercle formula: I-0; ll-0, 1; ID-O, 1, 2; (iv-O); IV-V-VI- 1, 2, 3. Fixed cheeks strongly tuberculate, with two conspicuously Jarge tubercles one behind the other.
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
Created: 2009-06-11 14:51:52
Modified: 2009-06-11 16:52:10
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004
Collections
No collection or age range data are available