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Orthothetina regularis
Taxonomy
Schellwienella regularis was named by Huang (1933).
It was recombined as Lopingia regularis by Zhan (1979); it was recombined as Orthothetina regularis by Yang et al. (1977), Feng and Jiang (1978), Liao (1980), Liao (1987), Shen and Shi (2007), Shen and Zhang (2008), Li and Shen (2008), Zhang et al. (2014), Wu et al. (2018), He et al. (2019) and Wu and Zhang (2020).
It was recombined as Lopingia regularis by Zhan (1979); it was recombined as Orthothetina regularis by Yang et al. (1977), Feng and Jiang (1978), Liao (1980), Liao (1987), Shen and Shi (2007), Shen and Zhang (2008), Li and Shen (2008), Zhang et al. (2014), Wu et al. (2018), He et al. (2019) and Wu and Zhang (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Schellwienella regularis Huang p. 25 figs. Pl 3, figs 10,11 |
| 1977 | Orthothetina regularis Yang et al. p. 320 figs. Pl 132, fig 12 |
| 1978 | Orthothetina regularis Feng and Jiang p. 238 figs. Pl 86, fig 8 |
| 1979 | Lopingia regularis Zhan p. 66 figs. Pl 4, figs 22,23 |
| 1980 | Orthothetina regularis Liao figs. Pl 1, figs 39-42 |
| 1987 | Orthothetina regularis Liao figs. Pl 3, figs 1-7 |
| 2007 | Orthothetina regularis Shen and Shi p. 21 figs. Pl 6, figs 19-24 |
| 2008 | Orthothetina regularis Li and Shen p. 317 figs. 6.12-6.16 |
| 2008 | Orthothetina regularis Shen and Zhang fig. 3.9,3.10 |
| 2014 | Orthothetina regularis Zhang et al. p. 487 figs. 7I-W |
| 2018 | Orthothetina regularis Wu et al. p. 353 figs. 8A-E |
| 2019 | Orthothetina regularis He et al. p. 206 figs. 9.75o, 9.76 |
| 2020 | Orthothetina regularis Wu and Zhang p. 877 figs. 11G-I |
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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.
†Orthothetina regularis Huang 1933
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 4.61 | 3.30 | 5.50 | 5.00 | 1.02 |
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| Source: 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 259.90000 to 252.17000 Ma
Collections (95 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Hunan) | Orthothetina regularis (117499) | |
| Wuchiapingian | China (Zhejiang) | Orthothetina regularis (111506 111507 111508 111512 111516) | |
| Wuchiapingian | China | Orthothetina regularis (61846 61863 61864) | |
| Wuchiapingian | China (Guangxi) | Orthothetina regularis (112363 112366 112401) | |
| Wuchiapingian | China (Guizhou) | Orthothetina regularis (108192 111998 112001 112002 112098 112102 112104 112106 112133 117463 138499 138556) Schellwienella regularis (110326 111053) | |
| Wuchiapingian | China (Guangdong) | Lopingia regularis (109781) | |
| Wuchiapingian | China (Chongqing) | Orthothetina regularis (121033) | |
| Wuchiapingian - Changhsingian | China (Hunan) | Orthothetina regularis (121120) | |
| Changhsingian | China (Guizhou) | Goniarina sp. (136838) Orthothetina regularis (112097 117464 117465 117481 117486 138515 138516 145677 145681 145682 163278 197017 197027 197028 197029 197030 197031 197035 197039) | |
| Changhsingian | China | Orthothetina regularis (221336 221337 221339 221342) | |
| Changhsingian | China (Sichuan) | Orthothetina regularis (89354 95285 95298 95302) | |
| Changhsingian | China (Guangxi) | Goniarina sp. (95331 162518) Orthothetina regularis (138525 138526 138527 138533 206105 206152 206156) | |
| Changhsingian | China (Zhejiang) | Orthothetina regularis (61871 111528) | |
| Changhsingian | China (Hunan) | Orthothetina regularis (111899 117540) | |
| Changhsingian | China (Fujian) | Orthothetina regularis (121428 148564 148565 148570 148572 220219 220220 220221) | |
| Changhsingian | China (Chongqing) | Orthothetina regularis (90373 94969 94978 94984 94987 138389 138390 138391 138450 138451 138454 138457 138460 138463 138464 138485 138488) |