Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Alexarasniinae
Taxonomy
Alexarasniinae was named by Gorochov (2011).
It was assigned to Alexarasniidae by Shcherbakov (2015).
It was assigned to Alexarasniidae by Shcherbakov (2015).
Subtaxa
Synonymy list
Year | Name and author |
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2011 | Alexarasniinae Gorochov |
2015 | Alexarasniinae Shcherbakov p. 189 |
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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.
Subfm. †Alexarasniinae Gorochov 2011
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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: Kiessling 2004, Bush and Bambach 2015 |
Age range: base of the Wuchiapingian to the top of the Griesbachian or 259.90000 to 251.30000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Wuchiapingian | Russian Federation (Vologda) | Alexarasnia rossica, Alexarasnia limbata (104754) | |
Griesbachian | Russian Federation (Kemerovo) | Nikolembia kusnezovi (104713) |