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Porpoceras vortex
Taxonomy
Ammonites vortex was named by Simpson (1855). It is not extant.
It was recombined as Porpoceras vortex by Guex (1972), Géczy and Szente (2006) and Benzaggagh et al. (2022).
It was recombined as Porpoceras vortex by Guex (1972), Géczy and Szente (2006) and Benzaggagh et al. (2022).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1855 | Ammonites vortex Simpson |
1914 | Porpoceras verticosum Buckman |
1972 | Porpoceras vortex Guex figs. Pl 8, fig 16; pl 9, fig 1 |
2006 | Porpoceras vortex Géczy and Szente figs. Pl 8, fig 4 |
2022 | Porpoceras vortex Benzaggagh et al. p. 9 fig. 8M,N |
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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.
†Porpoceras vortex Simpson 1855
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Invalid names: Porpoceras verticosum Buckman 1914 [synonym]
Diagnosis
No diagnoses are available