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Planirhynchia atrita
Taxonomy
Piarorhynchia atrita was named by Dagys (1965). Its type specimen is IGiG 48/118 and is a 3D body fossil. Its type locality is Russkaya (Omolonskaya) River, Omolon Basin, which is in a Rhaetian marine horizon in the Russian Federation.
It was recombined as Planirhynchia atrita by Dagys (1974) and Bychkov et al. (1976).
It was recombined as Planirhynchia atrita by Dagys (1974) and Bychkov et al. (1976).
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Piarorhynchia atrita Dagys p. 29 figs. Pl 4, figs 1-5 |
| 1974 | Planirhynchia atrita Dagys p. 98 |
| 1976 | Planirhynchia atrita Bychkov et al. |
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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.
†Planirhynchia atrita Dagys 1965
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 8.07 | 4.50 | 10.0 | 8.50 | 1.68 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||