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Xenoprotrachyceras primum
Taxonomy
Xenoprotrachyceras primum was named by Wang (1983). It is a 3D body fossil. Its type locality is Langdai (Falang Formation), which is in a Longobardian marine horizon in the Falang Formation of China. It is the type species of Xenoprotrachyceras.
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Xenoprotrachyceras primum Wang |
| 2015 | Xenoprotrachyceras primum Balini and Zou p. 139 figs. Pl 1, fig 1 |
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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.
†Xenoprotrachyceras primum Wang 1983
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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 2003, Kiessling 2004 | |||||
Age range: Longobardian or 239.48000 to 237.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ladinian | China (Guizhou) | Xenoprotrachyceras primum (85164) | |
| Longobardian | China (Guizhou) | Xenoprotrachyceras primum (171933 type locality: 213193) |