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Liuchengoceras evolutum
Taxonomy
Liuchengoceras evolutum was named by Zhao et al. (1978). Its type specimen is NIGP 14830 and is a 3D body fossil. Its type locality is Yangliucun (Dapu), Liucheng County, which is in a Changhsingian deep-water siliciclastic in the Dalong Formation of China.
It was recombined as Pseudotirolites evolutus by Leonova (2002).
It was recombined as Pseudotirolites evolutus by Leonova (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Liuchengoceras evolutum Zhao et al. p. 110 figs. Pl 11, figs 18,19; text-fig 59b |
| 2002 | Pseudotirolites evolutus Leonova |
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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.
†Liuchengoceras evolutum Zhao et al. 1978
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 15.4 | |||||
| shell diameter | 1 | 43.0 | |||||
| shell inflation | 1 | 19.7 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guangxi) | Liuchengoceras evolutum (type locality: 121676) |