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Aphelaeceras nayongense
Taxonomy
Aphelaeceras nayongense was named by Zheng (1984). Its type specimen is NIGP 34388 and is a 3D body fossil. Its type locality is Mazhongling M20-21, Nayong County, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Aphelaeceras nayongense Zheng p. 248 figs. Pl 3, figs 4-6; text-fig 11 |
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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.
†Aphelaeceras nayongense Zheng 1984
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell diameter | 1 | 28.6 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guizhou) | Aphelaeceras nayongense (type locality: 121699) |