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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Araxathyris undulata
Taxonomy
Araxathyris undulata was named by Shen et al. (1992).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Araxathyris undulata Shen et al. p. 188 figs. Pl 5, figs 11-14 |
| 1995 | Araxathyris pentagonalis Zeng et al. p. 125 figs. Pl 19, fig 9 |
| 2019 | Araxathyris undulata Wu et al. p. 625 figs. 7H-J |
| 2022 | Araxathyris undulata Wu et al. p. 116 figs. 15.17-15.2 |
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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.
†Araxathyris undulata Shen et al. 1992
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Invalid names: Araxathyris pentagonalis Zeng et al. 1995 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 10.7 | 10.0 | 11.5 | 10.8 | 1.06 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Kungurian to the top of the Changhsingian or 283.30000 to 251.90200 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | China (Sichuan) | Araxathyris pentagonalis (153928) | |
| Wuchiapingian | China (Guangdong) | Araxathyris undulata (211750 211805 228449 229438) | |
| Changhsingian | China (Guizhou) | Araxathyris undulata (99630 117481) | |
| Changhsingian | China (Chongqing) | Araxathyris undulata (94969 94978) |