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Transcaucasathyris minor
Taxonomy
Araxathyris minor was named by Grunt (1965) [As Araxathyris araxensis minor]. Its type specimen is PIN 2073/621, a shell (Conjoined shell), and it is a 3D body fossil. Its type locality is Dorasham 2, Dzhulfites beds, which is in a Changhsingian marine horizon in the Ali Bashi Formation of Azerbaijan.
It was recombined as Araxathyris araxensis minor by Yousefirad et al. (2013); it was recombined as Transcaucasathyris minor by Shen et al. (2004), Garbelli and Angiolini (2014), Ghaderi et al. (2015).
It was recombined as Araxathyris araxensis minor by Yousefirad et al. (2013); it was recombined as Transcaucasathyris minor by Shen et al. (2004), Garbelli and Angiolini (2014), Ghaderi et al. (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Araxathyris minor Grunt p. 249 figs. Pl 43, fig 7; text-figs 44,45 |
| 1973 | Araxathyris minor Teichert and Kummel p. 397 figs. Pl 2, figs 11-16 |
| 1986 | Araxathyris minor Grunt figs. Pl 15, fig 4 |
| 1995 | Araxathyris minor Zeng et al. figs. Pl 19, fig 13 |
| 2004 | Transcaucasathyris minor Shen et al. p. 895 figs. 8.1-8.10, 12 |
| 2013 | Araxathyris araxensis minor Yousefirad et al. figs. Pl 2, fig 1 |
| 2014 | Transcaucasathyris minor Garbelli and Angiolini p. 49 figs. Pl 3, figs 39-42 |
| 2015 | Transcaucasathyris minor Ghaderi et al. figs. Pl 3, figs 19-21 |
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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.
†Transcaucasathyris minor Grunt 1965
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 5.97 | 4.70 | 7.70 | 6.00 | 1.43 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (55 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Azerbaijan | Araxathyris minor (110596 110598 110672 110679 110700 110702) Transcaucasathyris minor (52162) | |
| Wuchiapingian | Iran | Araxathyris minor (118278 118279 118280 118281 118282 119074 119078 119079 155121 155123) Transcaucasathyris minor (155105 155108 155114 175892) | |
| Wuchiapingian | China (Chongqing) | Araxathyris minor (156836) | |
| Wuchiapingian | Armenia | Araxathyris minor (88707 109486 110748 110749 110750 110773) | |
| Wuchiapingian | Iran (Abadeh) | Araxathyris minor (63894) | |
| Changhsingian | Azerbaijan | Araxathyris minor (type locality: 97237 110655 110656 110686 110694 110696 110698 110720 116753) | |
| Changhsingian | Russian Federation (South Primorye) | Araxathyris minor (52820) | |
| Changhsingian | China (Sichuan) | Araxathyris minor (95288 95293 95295 95297 95303) | |
| Changhsingian | China (Chongqing) | Araxathyris minor (156884) | |
| Changhsingian | Iran | Araxathyris minor (63893 118289 118291 118293 119070) | |
| Changhsingian | Armenia | Araxathyris minor (110751 110754 110758 110777 113726) |