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Tangxiangia
Taxonomy
Tangxiangia was named by Xu (1977) [Sepkoski's age data: D Emsi-u D Eife Sepkoski's reference number: 24]. It is not extant.
It was assigned to Strophomenida by Sepkoski (2002); and to Spiriferida by Williams et al. (2006).
It was assigned to Strophomenida by Sepkoski (2002); and to Spiriferida by Williams et al. (2006).
Synonymy list
Year | Name and author |
---|---|
1977 | Tangxiangia Xu |
2002 | Tangxiangia Sepkoski |
2006 | Tangxiangia Williams et al. p. 1876 |
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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. †Tangxiangia Xu 1977
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Diagnosis
No diagnoses are available