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Orthothetina frechi
Taxonomy
Schuchertella frechi was named by Huang (1933). It is a 3D body fossil. Its type locality is Heishiht'ou, Locality 1312 f2, north of Tatiehkuan, Langtai-hsien, which is in a Wuchiapingian carbonate horizon in China.
It was recombined as Orthothetina frechi by Liao (1980), Liao (1987), Shen and Shi (2007), Zhang et al. (2014), Wu et al. (2019), He et al. (2019), Wu and Zhang (2020), Wu et al. (2022).
It was recombined as Orthothetina frechi by Liao (1980), Liao (1987), Shen and Shi (2007), Zhang et al. (2014), Wu et al. (2019), He et al. (2019), Wu and Zhang (2020), Wu et al. (2022).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Schuchertella frechi Huang p. 21 figs. Pl 3, figs 2-6 |
| 1972 | Schuchertella frechi Nakamura p. 394 figs. Pl 9, fig 10 |
| 1978 | Schuchertella frechi Feng and Jiang p. 240 figs. Pl 86, fig 7 |
| 1980 | Schuchertella frechi Lee and Gu p. 332 figs. Pl 159, figs 6,7 |
| 1980 | Orthothetina frechi Liao figs. Pl 2, figs 12-14 |
| 1987 | Orthothetina frechi Liao figs. Pl 3, figs 8-12 |
| 2007 | Orthothetina frechi Shen and Shi p. 24 figs. Pl 7, figs 25-29 |
| 2014 | Orthothetina frechi Zhang et al. p. 486 figs. 7A-H |
| 2019 | Orthothetina frechi He et al. p. 205 figs. 9.75a-j |
| 2019 | Orthothetina frechi Wu et al. p. 620 fig. 6B |
| 2020 | Orthothetina frechi Wu and Zhang p. 876 figs. 11D-F |
| 2022 | Orthothetina frechi Wu et al. p. 116 figs. 14.18-14.23 |
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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 frechi Huang 1933
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 9.83 | 6.40 | 12.7 | 11.7 | 3.39 |
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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 Roadian to the top of the Changhsingian or 274.40000 to 251.90200 Ma
Collections (52 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | Japan | Schuchertella frechi (114089) | |
| Wuchiapingian | China (Guizhou) | Orthothetina frechi (112098 112105 112143 138498 138499 138501 138504 138506 138508 138517 138518 138557) Schuchertella frechi (108192 110327 110973 112000) | |
| Wuchiapingian | China (Guangxi) | Orthothetina frechi (112401) | |
| Wuchiapingian | China (Guangdong) | Orthothetina frechi (211750 211805 228449 229438) | |
| Changhsingian | China (Fujian) | Orthothetina frechi (220219 220220 220221 220222) | |
| Changhsingian | China (Guizhou) | Orthothetina frechi (99268 99630 111980 111981 111982 112090 117486 145677 145681 145682 145685 163278 180415) | |
| Changhsingian | China (Guangxi) | Orthothetina frechi (149204 149206 149207) | |
| Changhsingian | China (Sichuan) | Orthothetina frechi (95283 95285 95291 95300 95304) Schuchertella frechi (89356) | |
| Changhsingian | China (Chongqing) | Orthothetina frechi (138456 138458 138465 149259) |