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Copenychia pristina
Taxonomy
Copenychia pristina was named by Kříž (2005). Its type specimen is MGM 3573ab, a shell (counterpart of internal mould of the shell with conjoined valves), and it is a 3D body fossil. Its type locality is Section north-west of the El Pobo de Dueñas, which is in a Telychian coastal shale in the Bádenas Formation of Spain.
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Copenychia pristina Kříž p. 460 figs. Plate 1, figures 20, 25–26 |
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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.
†Copenychia pristina Kříž 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Kříž 2005 | Copenychia with slightly opisthocline shells having prosogyrate umbones located slightly towards the posterior end of shell. Wing-like structure developed in posterior part. Outer surface sculpture formed by numerous distinct and narrow radial ribs (more than 80), and by narrower radial gutters than in Copenychia franta. Radial ribs are commonly subdivided by a shallow gutter into two halves. The number of radial ribs increases irregularly during growth of shell by intercalation. Radial sculpture is combined with irregularly spaced indistinct growth bands more prominent in ventral and anterior part of the shell. Hinge line straight. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class | |||||
| References: Eaton 1871, Aberhan et al. 2004 | |||||