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Eccoptochile scuticauda

Trilobita - Phacopida - Cheiruridae

Taxonomy
Cheirurus scuticauda was named by Barrande (1846). Its type specimen is NM, L 15726 and is a 3D body fossil.

It was recombined as Eccoptochile (Eccoptochiloides) scuticauda by Prantl and Pribyl (1947); it was recombined as Eccoptochiloides scuticauda by Pribyl and Vanek (1984); it was recombined as Eccoptochile scuticauda by Gapp et al. (2012).

Synonymy list
YearName and author
1846Cheirurus scuticauda Barrande p. 4
1947Eccoptochile (Eccoptochiloides) scuticauda Prantl and Pribyl figs. pl. 6 f. 3
1984Eccoptochiloides scuticauda Pribyl and Vanek pp. 125 - 126 figs. 3, 7
2012Eccoptochile scuticauda Gapp et al. pp. Table 1

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilyEccoptochilinaeLane 1971
genusEccoptochileHawle and Corda 1847
speciesscuticauda(Barrande 1846)

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.

Diagnosis
ReferenceDiagnosis
Pribyl and Vanek 1984Cephalon semicircular, moderately convex, with strongly raised pear-shaped glabella with three pairs glabellar furrows reaching about 1/4 of the total width of the glabella and running more or less obliquely arcuately backwards. Fixed cheeks subtriangular; free cheeks very narrow. Palpebral lobes slightly marked. Anterior branch of the facial suture sigmoidally curved, very close to axial furrows opposite the widest part of the frontal lobe; posterior branch from posterior of palpebral lobe running slightly obliquely backwards in almost a straight line to half-way across lateral border. Eye crescentic, situated nearer glabella than lateral margin. Cephalon with a characteristic border, which distinctly widens towards genal angles and runs out in a strongly genal spine reaches to the third or fourth thoracic segment. Thorax of 10 segments. Pygidium semicircular, eight-lobate, with a convex axis composed of 3 (+ 1) rings. Pygidial pleurae running out in bluntly lobate enlarged spines. The interior pair of spines is slightly reduced.