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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polyptychoceras (Polyptychoceras)
Taxonomy
Polyptychoceras (Polyptychoceras) was named by Yabe (1927).
It was assigned to Polyptychoceras by Kennedy and Summesberger (1999).
It was assigned to Polyptychoceras by Kennedy and Summesberger (1999).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1927 | Polyptychoceras (Polyptychoceras) Yabe |
1999 | Polyptychoceras (Polyptychoceras) Kennedy and Summesberger p. 29 |
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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.
Subg. †Polyptychoceras (Polyptychoceras) Yabe 1927
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†Polyptychoceras (Polyptychoceras) obliquecostatum Schluter 1872
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Invalid names: Hamites berkelis Schluter 1876 [synonym]
Diagnosis
No diagnoses are available