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Xestosina arguta
Taxonomy
Xestosina arguta was named by Cooper (1983). Its type specimen is USNM 92030, a shell, and it is a 3D body fossil. Its type locality is Mont-le-Vernois, Haute Saône, which is in a Kimmeridgian carbonate limestone in France.
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Xestosina arguta Cooper p. 167 figs. Pl 31, figs 7-16 |
| 2021 | Xestosina arguta Mahboubi et al. p. 3268 figs. 9A-P, 10 |
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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.
†Xestosina arguta Cooper 1983
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 13 | 18.9 | 14.6 | 23.6 | 18.6 | 2.89 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Kimmeridgian to the top of the Kimmeridgian or 155.70000 to 152.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | France | Xestosina arguta (type locality: 135379 135380 135381) | |
| Late/Upper Kimmeridgian | Algeria | Xestosina arguta (224156) |