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Ptilorhynchia lenaensis
Taxonomy
Ptilorhynchia lenaensis was named by Dagys (1968). Its type specimen is IGiG 305/78 and is a 3D body fossil. Its type locality is Molodo River, Lena River basin (beds with Dorsoplanites), which is in a Tithonian marine siliciclastic in the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Ptilorhynchia lenaensis Dagys p. 64 figs. Pl 5, figs 2, 3 |
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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.
†Ptilorhynchia lenaensis Dagys 1968
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.49 | 9.00 | 10.0 | 9.50 | 0.707 |
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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 Kimmeridgian to the top of the Tithonian or 154.80000 to 143.10000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Russian Federation | Ptilorhynchia lenaensis (135574) | |
| Tithonian | Russian Federation | Ptilorhynchia lenaensis (type locality: 135571 135572 135573 135575) |