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Derbyia regularis
Taxonomy
Derbyia regularis was named by Waagen (1884).
It was recombined as Orthotetes regularis by Ustritsky (1960) and Lee and Gu (1980).
It was recombined as Orthotetes regularis by Ustritsky (1960) and Lee and Gu (1980).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Derbyia regularis Waagen p. 594 figs. Pl 53, figs 1,2,4 |
| 1902 | Derbyia regularis Tschernyschew p. 203 figs. Pl 25, figs 1-3; pl 63, fig 5 |
| 1960 | Orthotetes regularis Ustritsky p. 99 figs. Pl 1, fig 13; pl 2, figs 1-5 |
| 1963 | Derbyia regularis Ustritsky and Chernyak p. 70 figs. Pl 2, figs 5-7 |
| 1977 | Derbyia regularis Yang et al. p. 325 figs. Pl 134, fig 6 |
| 1980 | Orthotetes regularis Lee and Gu p. 335 figs. Pl 159, figs 4,5 |
| 1990 | Orthotetes fascicostata Liang p. 103 figs. Pl 9, figs 10-12 |
| 2007 | Derbyia regularis Shen and Shi p. 31 figs. Pl 11, figs 27,28; pl 12, fig 4 |
| 2008 | Derbyia regularis Li and Shen p. 317 fig. 6.9,6.10 |
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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.
†Derbyia regularis Waagen 1884
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Invalid names: Orthotetes fascicostata Liang 1990 [synonym]
Diagnosis
No diagnoses are available