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Pachydiscus peramplus
Taxonomy
Ammonites peramplum was named by Mantell (1822). It is a 3D body fossil.
It was corrected as Ammonites peramplus by de Sowerby (1823); it was recombined as Neoptychites peramplus by de Grossouvre (1901); it was recombined as Pachydiscus peramplus by Stille (1904); it was recombined as Lewesiceras peramplus by Young (1979) and Wright and Kennedy (1984); it was recombined as Lewesiceras peramplum by Housa (1967), Chancellor et al. (1994), Wilmsen and Nagm (2013), Wilmsen and Nagm (2014) and Benzaggagh et al. (2017).
It was corrected as Ammonites peramplus by de Sowerby (1823); it was recombined as Neoptychites peramplus by de Grossouvre (1901); it was recombined as Pachydiscus peramplus by Stille (1904); it was recombined as Lewesiceras peramplus by Young (1979) and Wright and Kennedy (1984); it was recombined as Lewesiceras peramplum by Housa (1967), Chancellor et al. (1994), Wilmsen and Nagm (2013), Wilmsen and Nagm (2014) and Benzaggagh et al. (2017).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1822 | Ammonites peramplum Mantell pp. 200 - 201 |
| 1823 | Ammonites peramplus de Sowerby p. 79 |
| 1901 | Neoptychites peramplus de Grossouvre p. 661 figs. text f.. 26. |
| 1904 | Pachydiscus peramplus Stille p. 25 |
| 1967 | Lewesiceras peramplum Housa pp. 10 - 26 figs. Pis. I—III, pi. IV, figs. 1, 2, text-fig. 3 |
| 1979 | Lewesiceras peramplus Young p. 33 |
| 1984 | Lewesiceras peramplus Wright and Kennedy p. 63 |
| 1994 | Lewesiceras peramplum Chancellor et al. p. 20 |
| 2013 | Lewesiceras peramplum Wilmsen and Nagm p. 650 figs. 3-5 |
| 2014 | Lewesiceras peramplum Wilmsen and Nagm p. 204 fig. 3a,b |
| 2017 | Lewesiceras peramplum Benzaggagh et al. p. 117 figs. 7C-E |
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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.
†Pachydiscus peramplus Mantell 1822
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Diagnosis
No diagnoses are available