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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pseudogrammoceras aratum
Taxonomy
Dumortieria arata was named by Buckman (1890). It is not extant.
It was recombined as Pseudogrammoceras aratum by Gabilly (1976).
It was recombined as Pseudogrammoceras aratum by Gabilly (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Dumortieria arata Buckman |
| 1976 | Pseudogrammoceras aratum Gabilly p. 122 figs. Pl 19, figs 1,2,5-8,11-14; pl 20, figs 1,2 |
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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.
†Pseudogrammoceras aratum Buckman 1890
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 20.6 | 14.5 | 25.0 | 22.2 | 3.70 | |
| shell diameter | 8 | 60.5 | 45.5 | 78.0 | 61.0 | 10.3 | |
| shell inflation | 8 | 24.9 | 20.5 | 29.0 | 25.0 | 3.34 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Variabilis or 182.00000 to 175.60000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Variabilis | France (Vienne) | Pseudogrammoceras aratum (148985) | |
| Variabilis | France | Pseudogrammoceras aratum (148803) | |
| Variabilis | France (Vendée) | Pseudogrammoceras aratum (148986) | |
| Variabilis | Hungary | Pseudogrammoceras aratum (108078 108079) | |
| Variabilis | France (Deux-Sèvres) | Pseudogrammoceras aratum (148851) | |
| Variabilis | Spain | Pseudogrammoceras aratum (146965 146966 146968) |