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Eutrephoceras bouchardianum
Taxonomy
Nautilus bouchardianus was named by d'Orbigny (1840).
It was recombined as Eutrephoceras bouchardianum by Wiedmann (1960), Shimansky (1975), Wilmsen (2000), Machalski and Wilmsen (2015) and Sharifi et al. (2021).
It was recombined as Eutrephoceras bouchardianum by Wiedmann (1960), Shimansky (1975), Wilmsen (2000), Machalski and Wilmsen (2015) and Sharifi et al. (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Nautilus bouchardianus d'Orbigny p. 75 figs. Pl 13 |
| 1960 | Eutrephoceras bouchardianum Wiedmann p. 161 figs. Pl 19, figs H,I; pl 23, fig J; pl 24, figs 6-9; text-fig 9 |
| 1975 | Eutrephoceras bouchardianum Shimansky p. 60 figs. Pl 5, figs 2,3; text-figs 16,17 |
| 2000 | Eutrephoceras bouchardianum Wilmsen p. 38 figs. Pl 4, figs 1a,b; pl 5, figs 9,22 |
| 2015 | Eutrephoceras bouchardianum Machalski and Wilmsen p. 497 figs. 3A-D, 4A,B |
| 2021 | Eutrephoceras bouchardianum Sharifi et al. p. 6 fig. 4 |
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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.
†Eutrephoceras bouchardianum d'Orbigny 1840
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 53.5 | 43.0 | 73.0 | 51.1 | 12.9 | |
| shell diameter | 4 | 83.3 | 68.0 | 117.0 | 77.8 | 21.8 | |
| shell inflation | 4 | 0.059 | 0.001 | 4.00 | 1.50 | 2.06 |
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2003, Hendy et al. 2009, Kiessling 2004 | |||||
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | Switzerland | Nautilus bouchardianus (2237) | |
| Cenomanian | Turkmenistan | Eutrephoceras bouchardianum (165610) | |
| Early/Lower Cenomanian | Iran | Eutrephoceras bouchardianum (221577 221578) | |
| Early/Lower Cenomanian - Middle Cenomanian | Poland | Eutrephoceras bouchardianum (175630) | |
| Turonian | Uzbekistan | Eutrephoceras bouchardianum (165611) | |
| Turonian - Coniacian | Spain (Navarra) | Eutrephoceras bouchardianum (171019) | |
| Late/Upper Turonian | Spain | Eutrephoceras bouchardianum (171654) | |
| Late/Upper Turonian - Early/Lower Coniacian | Turkmenistan | Eutrephoceras bouchardianum (165612) | |
| Late/Upper Coniacian | Spain (Burgos) | Eutrephoceras bouchardianum (171021) |