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Zygocircus
Taxonomy
Zygocircus was named by Bütschli (1882) [Sepkoski's age data: T Eo-m R]. It is extant.
It was assigned to Acanthodesmiidae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
It was assigned to Acanthodesmiidae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Zygocircus Bütschli |
| 1892 | Zygocircus priscus Rüst |
| 1892 | Zygocircus simplicissimus Rüst |
| 2001 | Zygocircus De Wever et al. p. 232 |
| 2002 | Zygocircus Sepkoski |
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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. Zygocircus Bütschli 1882
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Zygocircus piscicaudatus Popofsky 1913
Invalid names: Zygocircus priscus Rüst 1892 [nomen dubium], Zygocircus simplicissimus Rüst 1892 [nomen dubium]
Diagnosis
No diagnoses are available