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Jinjiangoceras ventroplanum
Taxonomy
Jinjiangoceras ventroplanum was named by Zheng and Ma (1982). Its type specimen is NIGP 54613 and is a 3D body fossil. Its type locality is Lucun Section, Bed 10, Yichun County, which is in a Wuchiapingian marine sandstone in the Loping Formation of China.
It was recombined as Prototoceras ventroplanum by Leonova (2002).
It was recombined as Prototoceras ventroplanum by Leonova (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Jinjiangoceras ventroplanum Zheng and Ma p. 283 figs. Pl 1, figs 22,23; text-fig 2 |
| 2002 | Prototoceras ventroplanum 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.
†Jinjiangoceras ventroplanum Zheng and Ma 1982
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell diameter | 2 | 71.2 | 60.0 | 84.6 | 72.3 | 17.4 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Jiangxi) | Jinjiangoceras ventroplanum (type locality: 101628) |