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Xenoprotrachyceras
Taxonomy
Xenoprotrachyceras was named by Wang (1983). It is not extant. Its type is Xenoprotrachyceras primum.
It was assigned to Ammonoidea by Wang et al. (2008); and to Nevaditinae by Tozer (1994) and Balini and Zou (2015).
It was assigned to Ammonoidea by Wang et al. (2008); and to Nevaditinae by Tozer (1994) and Balini and Zou (2015).
Species
X. primum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Xenoprotrachyceras Wang |
| 1994 | Xenoprotrachyceras Tozer p. 124 |
| 2008 | Xenoprotrachyceras Wang et al. |
| 2015 | Xenoprotrachyceras Balini and Zou p. 139 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||