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Orthonychia tortuosa
Taxonomy
Platyceras tortuosum was named by Hall (1859). It is not extant.
It was recombined as Platyceras (Orthonychia) tortuosum by Yochelson and Kříž (1974); it was recombined as Orthonychia tortuosa by Wagner (2023).
It was recombined as Platyceras (Orthonychia) tortuosum by Yochelson and Kříž (1974); it was recombined as Orthonychia tortuosa by Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Platyceras tortuosum Hall |
| 1908 | Platyceras tortuosum Clarke pp. 146 - 147 figs. pl. 14 f. 22-25 |
| 1974 | Platyceras (Orthonychia) tortuosum Yochelson and Kříž p. 478 fig. 8 |
| 2023 | Orthonychia tortuosa Wagner p. S4852 |
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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.
†Orthonychia tortuosa Hall 1859
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Ohern and Maynard 1913, Kiessling 2004 | |||||