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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Fredericksia irbytschanensis
Taxonomy
Fredericksia irbytschanensis was named by Zavodowsky (1968). Its type specimen is TsGM 51-54/8234 and is a 3D body fossil. Its type locality is Irbychan River, Upper Permian, Gizhiga River, which is in a Roadian/Capitanian marine siliciclastic in the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Fredericksia irbytschanensis Zavodowsky p. 173 figs. Pl 49, fig 5 |
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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.
†Fredericksia irbytschanensis Zavodowsky 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian - Capitanian | Russian Federation | Fredericksia irbytschanensis (type locality: 110261) |