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Rogorthis pakriensis
Taxonomy
Cyrtonotella pakriensis was named by Rubel (1961). Its type specimen is GIT 125-102, a valve (ventral valve), and it is a 3D body fossil. Its type locality is Väike Pakri, Pakri Sandstone Fm., which is in a Valaste shallow subtidal sandstone in the Pakri Sandstone Formation of Estonia. It is the type species of Cyrtonotella, Rogorthis.
It was recombined as Rogorthis pakriensis by Hints (2014).
It was recombined as Rogorthis pakriensis by Hints (2014).
Sister species lacking formal opinion data
Synonymy list
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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.
†Rogorthis pakriensis Rubel 1961
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Hints 2014 | Medium-sized orthide with planoconvex shell; ornament fascicostellate, with 12–14 coarse primary costae branching on anterior half of valves. Cardinal process stout on elevated notothyrial platform. Subparallel vascula media divergent anteriorly; thickened rim along interior margins of the valves. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||