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Orbicoelia elongatiformis
Taxonomy
Orbicoelia elongatiformis was named by Chen and Shi (2006). Its type specimen is Tohoku Univ IGPS108955 and is not a trace fossil. Its type locality is Qipan River section, Bed 3, AET 856, Qipan Formation, Tarim Basin, which is in a Kungurian marine limestone in the Qipan Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Orbicoelia elongatiformis Chen and Shi p. 19 figs. Pl 6, figs 1-5,6-9,11-15; text-fig 12 |
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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.
†Orbicoelia elongatiformis Chen and Shi 2006
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 17.2 | |||||
| valve height | 1 | 14.0 |
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| Source: superf = superfamily, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | China (Xinjiang) | Orbicoelia elongatiformis (62822 62827 62829 62830 62832) | |
| Kungurian | China (Xinjiang) | Orbicoelia elongatiformis (type locality: 62744 62748 62753) |