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Holcodiscus caillaudianus
Taxonomy
Ammonites caillaudianus was named by d'Orbigny (1850). It is not a trace fossil. It is the type species of Holcodiscus.
It was recombined as Holcodiscus caillaudianus by Klein (2005) and Klein (2005).
It was recombined as Holcodiscus caillaudianus by Klein (2005) and Klein (2005).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Ammonites caillaudianus d'Orbigny p. 99 |
| 2005 | Holcodiscus caillaudianus Klein p. 126 |
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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.
†Holcodiscus caillaudianus d'Orbigny 1850
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Diagnosis
No diagnoses are available