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Brachythyrina rectangula
Taxonomy
Spirifer rectangulus was named by Kutorga (1844). It is a 3D body fossil.
It was recombined as Brachythyrina rectangulus by Waterhouse (1981); it was recombined as Brachythyrina rectangula by Glushenko (1975), Li and Gu (1980), Tazawa et al. (2022) and Xu et al. (2024).
It was recombined as Brachythyrina rectangulus by Waterhouse (1981); it was recombined as Brachythyrina rectangula by Glushenko (1975), Li and Gu (1980), Tazawa et al. (2022) and Xu et al. (2024).
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1844 | Spirifer rectangulus Kutorga p. 90 figs. Pl 9, fig 5 |
| 1902 | Spirifer rectangulus Tschernyschew p. 158 figs. Pl 8, fig 1; pl 41, figs 1-5 |
| 1913 | Spirifer rectangulus Mansuy p. 67 |
| 1975 | Brachythyrina rectangula Glushenko figs. Pl 36, fig 7 |
| 1980 | Brachythyrina rectangula Li and Gu p. 488 figs. Pl 1, fig 16 |
| 1981 | Brachythyrina rectangulus Waterhouse p. 96 figs. Pl 21, figs 1-14; pl 22, figs 1-8; pl 23, fig 1 |
| 2022 | Brachythyrina rectangula Tazawa et al. p. 28 figs. 6E-G |
| 2024 | Brachythyrina rectangula Xu et al. p. 695 figs. 8AH, 9A-J |
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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.
†Brachythyrina rectangula Kutorga 1844
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Invalid names: Spirifer trigonalis Martin 1809 [synonym]
†Spirifer rectangulus triplicatus Mansuy 1913
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 14.8 | 10.5 | 21.0 | 15.8 | 7.42 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Mississippian to the top of the Kungurian or 358.90000 to 272.30000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mississippian | USA (Alaska) | Spirifer trigonalis (111910) | |
| Bashkirian | India | Spirifer trigonalis (230686) | |
| Gzhelian | China (Guangxi) | Brachythyrina rectangula (134310) | |
| Asselian | China (Guangxi) | Brachythyrina rectangula (134312) | |
| Asselian | Slovenia | Spirifer trigonalis (129658) | |
| Asselian | Russian Federation (Rostovskaya) | Brachythyrina rectangula (126252) | |
| Asselian | China (Jilin) | Brachythyrina rectangula (150446) | |
| Asselian - Sakmarian | Laos | Spirifer trigonalis (233571) | |
| Sakmarian | China (Xizang) | Brachythyrina rectangula (235549 235550) | |
| Sakmarian | Austria | Spirifer trigonalis (129694) | |
| Sakmarian | Japan | Brachythyrina rectangula (229575) | |
| Kungurian | Thailand | Brachythyrina rectangulus (117142 221705) |