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Oldhamina squamosa
Taxonomy
Oldhamina squamosa was named by Huang (1932). It is a 3D body fossil. Its type locality is Huangchiawan, Locality 1302 f1, Tsunyi-hsien, which is in a Wuchiapingian carbonate limestone in China.
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Oldhamina squamosa Huang |
| 1977 | Oldhamina squamosa Yang et al. p. 370 figs. Pl 147, fig 3 |
| 1978 | Oldhamina squamosa Feng and Jiang p. 270 figs. Pl 100, fig 6 |
| 1978 | Oldhamina squamosa Tong p. 237 figs. Pl 83, fig 9 |
| 1979 | Oldhamina squamosa Zhan p. 91 figs. Pl 9, fig 18; Pl 12, fig 13 |
| 1980 | Oldhamina squamosa Liao figs. Pl 5, fig 48 |
| 1982 | Oldhamina squamosa Wang et al. p. 230 figs. Pl 95, fig 19 |
| 1983 | Oldhamina squamosa Waterhouse p. 130 figs. Pl 5, figs 1-10 |
| 1987 | Oldhamina squamosa Liao p. 106 figs. Pl 3, figs 25,26 |
| 1995 | Oldhamina squamosa Zeng et al. figs. Pl 11, fig 10 |
| 2012 | Oldhamina squamosa Tazawa p. 34 figs. 5.4, 6C |
| 2022 | Oldhamina squamosa Wu et al. p. 116 figs. 14.6-14.8 |
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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.
†Oldhamina squamosa Huang 1932
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Waterhouse 1983 | Large elongate shells with over 20 sturdy septa, well spaced, convex forward in outline and inclined strongly. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum | |||||
| References: Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.90000 to 252.17000 Ma
Collections (41 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Guizhou) | Oldhamina squamosa (110973 type locality: 110976 111065 111066) | |
| Wuchiapingian | China (Guangdong) | Oldhamina squamosa (109780 228449) | |
| Wuchiapingian | China (Chongqing) | Oldhamina squamosa (98067 121027 121028 156872 156879) | |
| Wuchiapingian - Changhsingian | China (Hubei) | Oldhamina squamosa (121100) | |
| Wuchiapingian - Changhsingian | China (Guangdong) | Oldhamina squamosa (121087 121122) | |
| Wuchiapingian - Changhsingian | China (Guizhou) | Oldhamina squamosa (108169) | |
| Changhsingian | China (Guizhou) | Oldhamina squamosa (111067 111068 112012 117481) | |
| Changhsingian | China (Chongqing) | Oldhamina squamosa (94968 94969 94972 94977 94978 103457 121023 148548 148549 156862) | |
| Changhsingian | Thailand | Oldhamina squamosa (8145 42775 42776 42777) | |
| Changhsingian | China (Sichuan) | Oldhamina squamosa (95283) | |
| Changhsingian | China (Guangdong) | Oldhamina squamosa (95679) | |
| Changhsingian | Japan | Oldhamina squamosa (118965) | |
| Changhsingian | China (Guangxi) | Oldhamina squamosa (107298) | |
| Changhsingian | China (Zhejiang) | Oldhamina squamosa (105210 111856) | |
| Changhsingian | China (Fujian) | Oldhamina squamosa (120044 148569) |