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Hyperderoceras retusum
Taxonomy
Ammonites retusus was named by Simpson (1855).
It was recombined as Hyperderoceras retusum by Schlatter (1980).
It was recombined as Hyperderoceras retusum by Schlatter (1980).
Synonymy list
| Year | Name and author |
|---|---|
| 1855 | Ammonites retusus Simpson p. 62 |
| 1980 | Hyperderoceras retusum Schlatter p. 61 figs. pl. 3, fig. 56, Beil. 3, figs a-c, Beil. 14, fig. a |
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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.
†Hyperderoceras retusum Simpson 1855
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Diagnosis
No diagnoses are available