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Itierella melognensis
Taxonomy
Itierella melognensis was named by Pictet et al. (2025). Its type specimen is MGL.110474, a shell, and it is a 3D body fossil. Its type locality is Le Crêt, which is in a Valanginian carbonate marl in the Grand Essert Formation of France. It is the type species of Itierella.
Synonymy list
| Year | Name and author |
|---|---|
| 2025 | Itierella melognensis Pictet et al. p. 80 figs. 5A-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.
†Itierella melognensis Pictet et al. 2025
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 21.9 | 13.0 | 32.4 | 23.5 | 8.05 | |
| shell diameter | 4 | 50.8 | 27.2 | 81.2 | 54.9 | 22.2 | |
| shell inflation | 4 | 15.0 | 6.10 | 28.3 | 17.2 | 9.14 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Valanginian or 137.05000 to 132.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Valanginian | France (Ain) | Itierella melognensis (type locality: 240091 240092 240097) |