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Euhystrichoceras nicaisei
Taxonomy
Ammonites nicaisei was named by Coquand (1862). It is a 3D body fossil. It is the type species of Euhystrichoceras.
It was recombined as Euhystrichoceras nicaisei by Spath (1923), Kennedy and Morris (2018), Oudni et al. (2025).
It was recombined as Euhystrichoceras nicaisei by Spath (1923), Kennedy and Morris (2018), Oudni et al. (2025).
Synonymy list
| Year | Name and author |
|---|---|
| 1862 | Ammonites nicaisei Coquand |
| 1923 | Euhystrichoceras nicaisei Spath |
| 2018 | Euhystrichoceras nicaisei Kennedy and Morris p. 91 figs. 4D, 7A-K |
| 2025 | Euhystrichoceras nicaisei Oudni et al. p. 6 figs. 4B1-B4 |
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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.
†Euhystrichoceras nicaisei Coquand 1862
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Cenomanian or 100.50000 to 93.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | Algeria | Euhystrichoceras nicaisei (241586) | |
| Early/Lower Cenomanian | Tanzania | Euhystrichoceras nicaisei (193269) |