| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Quadrisonia declivis
Taxonomy
Quadrisonia declivis was named by Koneva and Popov (1988). It is not extant.
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Quadrisonia declivis Koneva and Popov |
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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.
†Quadrisonia declivis Koneva and Popov 1988
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Aksaian or 492.80000 to 491.50000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Furongian | Kazakhstan | Quadrisonia declivis (122800 122801 122804) | |
| Aksaian | Kazakhstan | Quadrisonia declivis (118394 118399 118450 118454 118467 118874 118883 122773 122777 122781 122789 122791) | |
| Aksaian - Batyrbaian | Kazakhstan | Quadrisonia declivis (123104 123105 123106) |