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Xiaohenautilus huananensis
Taxonomy
Xiaohenautilus huananensis was named by Xu (1988). Its type specimen is Yichang Inst Geol Min Res IV50617 and is a cast. Its type locality is Xiaohe Xh-80-C-2, Lichuan, which is in a Dienerian carbonate lime mudstone in the Ruiping Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Xiaohenautilus huananensis Xu p. 439 figs. Pl 4, fig 6; text-fig 3 |
| 2007 | Xiaohenautilus huananensis Zakharov and Mu p. 860 figs. 3.5, 3.6, 3.9-3.11, 4.2 |
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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.
†Xiaohenautilus huananensis Xu 1988
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 21.3 | 20.0 | 22.6 | 21.3 | 1.84 | |
| shell diameter | 4 | 44.6 | 32.7 | 73.5 | 41.2 | 18.8 | |
| shell inflation | 4 | 10.1 | 8.00 | 12.7 | 10.3 | 3.32 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Griesbachian or 251.90200 to 250.50000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | China (Guizhou) | Xiaohenautilus huananensis (113871 198883 198884 198885 198888) | |
| Griesbachian | China (Hubei) | Xiaohenautilus huananensis (204866 204867) | |
| Dienerian | China (Hubei) | Xiaohenautilus huananensis (type locality: 95718) |