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Araxathyris dilatatus
Taxonomy
Araxathyris dilatatus was named by Shen et al. (1992).
It was corrected as Araxathyris dilatata by Shen et al. (2004).
It was corrected as Araxathyris dilatata by Shen et al. (2004).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Araxathyris dilatatus Shen et al. p. 187 |
| 1995 | Araxathyris dilatatus Zeng et al. figs. Pl 19, fig 5 |
| 2004 | Araxathyris dilatata Shen et al. p. 889 figs. 3.25-3.32,6 |
| 2019 | Araxathyris dilatatus Xu et al. p. 891 figs. 6.16-6.19 |
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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 dilatatus Shen et al. 1992
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 11.1 | 8.00 | 13.1 | 12.9 | 2.89 |
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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 Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Guizhou) | Araxathyris dilatata (111066) Araxathyris timorensis (108192) | |
| Wuchiapingian | China (Guangxi) | Spirigerella simplex (112420) | |
| Changhsingian | China (Guizhou) | Araxathyris dilatatus (117481) | |
| Changhsingian | China (Chongqing) | Araxathyris dilatata (52154) Araxathyris dilatatus (94967 94968 94969 94976 94978 94984 156861 156862 156863 156885) | |
| Changhsingian | China (Xizang) | Araxathyris dilatatus (203189) | |
| Changhsingian | China | Araxathyris dilatata (221335 221336 221338 221339) |