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Eodiscus simplex
Taxonomy
Eodiscus simplex was named by Cobbold (1931) [Type specimens #2534 in Cobbold's collection. From Comley Quarry, Exposure No. 1. Middle Cambrian, Horizon Bal, the Paradoxides groomi Grit (conglomeratic portion).]. It is a 3D body fossil. Its type locality is Comley Quarry, Comley, which is in a Branchian carbonate limestone in the Lower Comley Formation of the United Kingdom.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Eodiscus simplex Cobbold pp. 461-462 figs. Pl. XXXVIII, figs. 15, 16 |
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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.
†Eodiscus simplex Cobbold 1931
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. S. Cobbold 1931 | "Cephalon imperfectly known. Glabella (?). Cheeks convex; margin wide in front, narrowing at the sides, without tubercles or crenulation.
Thorax convex. Axial lobe well developed, convex, and equal in width to that of the pleurm; these are strongly geniculate, have rounded terminations and straight, broad, centrally-placed furrows that run at right angles to the axial lobe; number of segments unknown, but the impressions of two are seen attached to a fragment of a pygidium. Pygidium semi-elliptical, rather longer than half the width, strongly convex, the height being about one-quarter of the width and one-third of the length; axial lobe convex transversely and also longitudinally, tapering very slightly towards the well-rounded posterior end; no transverse furrows seen; pleural lobes convex, not connected together behind the axial lobe, without furrows; margin narrow at the sides, widening posteriorly; axial furrow well marked and wide in the internal impression. Surface apparently smooth." |
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Hendy 2009, Kiessling 2004, Whittington et al. 1997 | |||||