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Tropidoceras masseanum
Taxonomy
Ammonites masseanus was named by d'Orbigny (1844). Its type specimen is MNHN.F.R01397 and is a 3D body fossil. Its type locality is Les Cottards, nr Saint George de Poisieux, which is in a Pliensbachian marine horizon in France.
It was recombined as Harpoceras masseanus by Gemmellaro (1884); it was recombined as Tropidoceras masseanum by Bremer (1965), Meister (1986), Smith and Tipper (1996) and Meister and Friebe (2003).
It was recombined as Harpoceras masseanus by Gemmellaro (1884); it was recombined as Tropidoceras masseanum by Bremer (1965), Meister (1986), Smith and Tipper (1996) and Meister and Friebe (2003).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1844 | Ammonites masseanus d'Orbigny |
| 1884 | Harpoceras masseanus Gemmellaro |
| 1923 | Tropidoceras lineatum Spath p. 8 |
| 1928 | Tropidoceras lineatum Spath p. 227 figs. Pl 16, figs 3a,3b,6a-6c,9a,9b; pl 17, figs 6,8a,8b; text-figs 4b,c,i |
| 1965 | Tropidoceras masseanum Bremer |
| 1986 | Tropidoceras masseanum Meister p. 44 figs. Pl 6, figs 6,8; pl 7, figs 1-3 |
| 1996 | Tropidoceras masseanum Smith and Tipper p. 39 figs. Pl 10, figs 1, 2; Txt-fig 32c |
| 2003 | Tropidoceras masseanum Meister and Friebe |
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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.
†Tropidoceras masseanum d'Orbigny 1844
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Invalid names: Tropidoceras lineatum Spath 1923 [synonym]
Diagnosis
No diagnoses are available