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Xinanorthis
Taxonomy
Xinanorthis was named by Xu and Liu (1974) [Sepkoski's age data: O l Sepkoski's reference number: ZR83]. It is not extant.
It was assigned to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); to Archaeorthidae by Williams et al. (2007); and to Orthoidea by Popov et al. (2009).
It was assigned to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); to Archaeorthidae by Williams et al. (2007); and to Orthoidea by Popov et al. (2009).
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Xinanorthis Xu and Liu |
| 2000 | Xinanorthis Williams et al. p. 745 |
| 2002 | Xinanorthis Sepkoski |
| 2007 | Xinanorthis Williams et al. p. 2690 |
| 2009 | Xinanorthis Popov et al. |
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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.
G. †Xinanorthis Xu and Liu 1974
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||