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Ctenoptychius digitatus
Taxonomy
Ctenoptychius digitatus was named by Leidy (1857).
It was recombined as Polyrhizodus digitatus by Hay (1902) and Lund (1983).
It was recombined as Polyrhizodus digitatus by Hay (1902) and Lund (1983).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Ctenoptychius digitatus Leidy |
| 1866 | Polyrhizodus lobatus Newberry and Worthen |
| 1870 | Polyrhizodus littoni Newberry and Worthen |
| 1875 | Polyrhizodus amplus St. John and Worthen |
| 1875 | Polyrhizodus williamsi St. John and Worthen |
| 1902 | Polyrhizodus amplus Hay p. 282 |
| 1902 | Polyrhizodus digitatus Hay p. 283 |
| 1902 | Polyrhizodus littoni Hay p. 283 |
| 1902 | Polyrhizodus williamsi Hay p. 283 |
| 1983 | Polyrhizodus digitatus Lund p. 4 |
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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.
†Ctenoptychius digitatus Leidy 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Wagner 2023, Carroll 1988 | |||||
Collections
No collection or age range data are available