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Acratinella obscura
Taxonomy
Acratinella obscura was named by Belousova (1965). Its type specimen is MGU 30/27 and is a 3D body fossil. Its type locality is Dorasham 2, Dzhulfian Stage, which is in a Wuchiapingian marine horizon in the Julfa Formation of Azerbaijan.
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Acratinella obscura Belousova p. 264 figs. Pl 50, fig 7 |
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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.
†Acratinella obscura Belousova 1965
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 3 | 0.297 | 0.220 | 0.350 | 0.340 | 0.072 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Jell and Adrain 2002 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Azerbaijan | Acratinella obscura (type locality: 97229) | |
| Changhsingian | Azerbaijan | Acratinella obscura (97207) |