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Dactylodus excavatus
Taxonomy
Dactylodus excavatus was named by Saint John and Worthen (1866).
It was recombined as Polyrhizodus excavatus by St. John and Worthen (1875) and Hay (1902); it was synonymized subjectively with Polyrhizodus digitatus by Lund (1983).
It was recombined as Polyrhizodus excavatus by St. John and Worthen (1875) and Hay (1902); it was synonymized subjectively with Polyrhizodus digitatus by Lund (1983).
Synonymy list
| Year | Name and author |
|---|---|
| 1866 | Dactylodus excavatus Saint John and Worthen |
| 1875 | Polyrhizodus excavatus St. John and Worthen |
| 1902 | Polyrhizodus excavatus Hay p. 283 |
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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.
†Dactylodus excavatus Saint John and Worthen 1866
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Diagnosis
No diagnoses are available