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Ptilorhynchia obscuricostata
Taxonomy
Ptilorhynchia obscuricostata was named by Dagys (1968). Its type specimen is IGiG 297/78 and is a 3D body fossil. Its type locality is Debyaka-Tari River, central Taimyr, which is in a Tithonian marine siliciclastic in the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Ptilorhynchia obscuricostata Dagys p. 63 figs. Pl 5, figs 6, 7 |
| 2014 | Ptilorhynchia obscuricostata Sandy et al. p. 513 figs. 6.9-6.17 |
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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 obscuricostata Dagys 1968
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 14.6 | 8.40 | 24.0 | 14.9 | 5.48 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Tithonian to the top of the Berriasian or 149.20000 to 137.05000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian | Russian Federation | Ptilorhynchia obscuricostata (type locality: 135570) | |
| Tithonian | Svalbard and Jan Mayen | Ptilorhynchia obscuricostata (163966) | |
| Berriasian | Svalbard and Jan Mayen | Ptilorhynchia obscuricostata (163970 163972) |