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Rotodiscoceras torulosum
Taxonomy
Rotodiscoceras torulosum was named by Zhao et al. (1978). Its type specimen is NIGP 14973 and is a 3D body fossil. Its type locality is Shengouzhong, southeast Yongningzhen, which is in a Changhsingian deep-water siliciclastic in the Dalong Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Rotodiscoceras torulosum Zhao et al. p. 153 figs. Pl 28, figs 14,15 |
| 2002 | Rotodiscoceras torulosum 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.
†Rotodiscoceras torulosum Zhao et al. 1978
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guangxi) | Rotodiscoceras torulosum (149214) | |
| Changhsingian | China (Guizhou) | Rotodiscoceras torulosum (type locality: 121657 149297 151132) |