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Psiloceras polymorphum
Taxonomy
Psiloceras polymorphum was named by Guex (1980).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1980 | Psiloceras polymorphum Guex p. 136 figs. Pl 1, fig 8 |
1995 | Psiloceras polymorphum Guex p. 20 figs. Pl 6, figs 6,7,15-19; pl 7, figs 1-23; pl 8, figs 1-12; pl 9, figs 1-15; text-figs 11,12 |
1995 | Caloceras crassicostatum Guex p. 23 figs. Pl 5, figs 1,2,5-10 |
2019 | Psiloceras polymorphum Riccardi p. 148 figs. 3f, 4a-g |
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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.
†Psiloceras polymorphum Guex 1980
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Invalid names: Caloceras crassicostatum Guex 1995 [synonym]
Diagnosis
No diagnoses are available