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Positopteryx dubia
Taxonomy
Positopteryx dubia was named by Sinitshenkova (1987). Its type specimen is PIN 2372/41, an exoskeleton, and it is a compression fossil. Its type locality is Daya (PIN collection 2372), which is in a Tithonian lacustrine siliciclastic in the Glushkovo Formation of the Russian Federation. It is the type species of Positopteryx.
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Positopteryx dubia Sinitshenkova p. 78 figs. Pl 8, fig 2; text-fig 88 |
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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.
†Positopteryx dubia Sinitshenkova 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Tillyard 1921 | |||||
Age range: Tithonian or 149.20000 to 143.10000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian | Russian Federation | Positopteryx dubia (type locality: 123198) | |
| Tithonian | Russian Federation (Chita) | Positopteryx dubia (123197) |