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Ptychites cognatus
Taxonomy
Ammonites cognatus was named by Oppel (1865). It is not extant.
It was recombined as Ptychites cognatus by Diener (1907).
It was recombined as Ptychites cognatus by Diener (1907).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Ammonites cognatus Oppel |
| 1907 | Ptychites cognatus Diener |
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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.
†Ptychites cognatus Oppel 1865
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||