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Transennatia margaritatus
Taxonomy
Productus margaritatus was named by Mansuy (1913). It is a 3D body fossil. Its type locality is Kham-keut, at Kham-mon (Schwagerina princeps horizon), which is in an Asselian/Sakmarian carbonate limestone in Laos.
It was recombined as Dictyoclostus margaritatus by Shimizu (1961), Jin et al. (1974), Lee and Gu (1980); it was recombined as Asioproductus margaritatus by Tong (1978); it was recombined as Transennatia margaritatus by Wang et al. (1982), Zeng et al. (1995).
It was recombined as Dictyoclostus margaritatus by Shimizu (1961), Jin et al. (1974), Lee and Gu (1980); it was recombined as Asioproductus margaritatus by Tong (1978); it was recombined as Transennatia margaritatus by Wang et al. (1982), Zeng et al. (1995).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Productus margaritatus Mansuy p. 28 figs. Pl 2, fig 6 |
| 1961 | Dictyoclostus margaritatus Shimizu p. 324 figs. Pl 15, fig 28 |
| 1974 | Dictyoclostus margaritatus Jin et al. p. 311 figs. Pl 164, fig 9 |
| 1978 | Asioproductus margaritatus Tong p. 228 figs. Pl 80, fig 8 |
| 1980 | Dictyoclostus margaritatus Lee and Gu p. 372 figs. Pl 171, fig 17 |
| 1982 | Transennatia margaritatus Wang et al. p. 214 figs. Pl 91, fig 19; pl 92, fig 9 |
| 1990 | Spyridiophora huadongensis Liang p. 159 figs. Pl 24, figs 1-21; text-fig 21 |
| 1990 | Spyridiophora plegma Liang p. 161 figs. Pl 24, figs 22,23 |
| 1995 | Transennatia margaritatus Zeng et al. figs. Pl 5, figs 12,13 |
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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.
†Transennatia margaritatus Mansuy 1913
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Invalid names: Spyridiophora huadongensis Liang 1990 [synonym], Spyridiophora plegma Liang 1990 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 9.38 | 6.00 | 12.0 | 9.50 | 1.57 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 251.90200 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Sakmarian | Laos | Productus margaritatus (233571) | |
| Wordian - Capitanian | China (Jilin) | Dictyoclostus margaritatus (111171) | |
| Capitanian | China (Zhejiang) | Spyridiophora huadongensis (95519) Spyridiophora plegma (111934) | |
| Wuchiapingian | China (Sichuan) | Dictyoclostus margaritatus (111600) Transennatia margaritatus (156800 156803 156804 156805 156806) | |
| Wuchiapingian | China (Jiangxi) | Transennatia margaritatus (97113 120037) | |
| Wuchiapingian | China (Guizhou) | Asioproductus margaritatus (112000 112001 112002) Productus margaritatus (110971 110972 110973) Productus sp. c (110977) | |
| Wuchiapingian | China (Chongqing) | Dictyoclostus margaritatus (98067) Transennatia margaritatus (156831 156834 156835 156872 156874) | |
| Changhsingian | Japan | Dictyoclostus margaritatus (117838) | |
| Changhsingian | China (Guangxi) | Dictyoclostus margaritatus (149217) |