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Ptychophylloceras diphyllum
Taxonomy
Ammonites diphyllus was named by d'Orbigny (1841) [DISTRIBUTION: Valanginian; Europe.]. It is not a trace fossil.
It was recombined as Ptychophylloceras diphyllum by Avram and Gradinaru (1993).
It was recombined as Ptychophylloceras diphyllum by Avram and Gradinaru (1993).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1841 | Ammonites diphyllus d'Orbigny p. 181 figs. pl. 55, figs. 1-3 |
1993 | Ptychophylloceras diphyllum Avram and Gradinaru p. 671 |
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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.
†Ptychophylloceras diphyllum d'Orbigny 1841
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Diagnosis
No diagnoses are available