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Phylloceras semistriatum
Taxonomy
Ammonites semistriatus was named by d'Orbigny (1840).
It was recombined as Phylloceras semistriatum by Douvillé (1916).
It was recombined as Phylloceras semistriatum by Douvillé (1916).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Ammonites semistriatus d'Orbigny p. 136 figs. Pl. 41, Fig. 3-4 |
| 1916 | Phylloceras semistriatum Douvillé p. 98 figs. Pl. 12, Fig. 1-2 |
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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.
†Phylloceras semistriatum d'Orbigny 1840
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Diagnosis
No diagnoses are available