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Orthothetina ruchae
Taxonomy
Orthothetina ruchae was named by Yanagida and Nakornsri (1999). Its type specimen is KMNH IvP 610,023, a valve (ventral valve), and it is a 3D body fossil. Its type locality is Khlong Wang Ang, Locality A (860809-01), which is in a Wordian/Capitanian carbonate limestone in the Tak Fa Formation of Thailand.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Orthothetina ruchae Yanagida and Nakornsri p. 116 figs. Pl 27, figs 9,11 |
| 2016 | Orthothetina ruchae Shen et al. p. 530 figs. 6B, D-G, I-K |
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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.
†Orthothetina ruchae Yanagida and Nakornsri 1999
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Capitanian or 283.30000 to 259.51000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian - Roadian | China (Xizang) | Orthothetina ruchae (182793 182797 182799) | |
| Wordian - Capitanian | Thailand | Orthothetina ruchae (type locality: 117106) |