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Ptychodus schlottheimii
Taxonomy
Ptychodus schlottheimii was named by Agassiz (1834). It is the type species of Ptychodus.
It was considered a nomen oblitum by Giusberti et al. (2018).
It was considered a nomen oblitum by Giusberti et al. (2018).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1834 | Ptychodus schlottheimii Agassiz p. 69 |
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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.
†Ptychodus schlottheimii Agassiz 1834
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Diagnosis
No diagnoses are available