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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Alexarasnia
Taxonomy
Alexarasnia was named by Gorochov (2011). Its type is Alexarasnia rossica.
It was assigned to Alexarasniinae by Shcherbakov (2015); and to Alexarasniidae by Gorochov (2011), Aristov (2017).
It was assigned to Alexarasniinae by Shcherbakov (2015); and to Alexarasniidae by Gorochov (2011), Aristov (2017).
Species
A. limbata, A. rossica (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Alexarasnia Gorochov p. 133 |
| 2015 | Alexarasnia Shcherbakov p. 189 |
| 2017 | Alexarasnia Aristov p. 168 |
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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.
G. †Alexarasnia Gorochov 2011
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†Alexarasnia limbata Aristov 2017
†Alexarasnia rossica Gorochov 2011
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Russian Federation (Vologda) | A. rossica, A. limbata (104754) |