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Zenostephanus
Taxonomy
Zenostephanus was named by Callomon et al. (2009). Its type is Aulacostephanus (Xenostephanus) ranbyensis.
It was assigned to Perisphinctidae by Callomon et al. (2009).
It was assigned to Perisphinctidae by Callomon et al. (2009).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Aulacostephanus (Xenostephanus) Arkell and Callomon |
| 1963 | Xenostephanus Arkell and Callomon |
| 1984 | Zonovia (Xenostephanus) Mesezhnikov p. 118 |
| 2002 | Xenostephanus Sepkoski |
| 2009 | Zenostephanus Callomon et al. p. 671 |
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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. †Zenostephanus Callomon et al. 2009
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†Zenostephanus ranbyensis Arkell and Callomon 1963
Invalid names: Xenostephanus Arkell and Callomon 1963 [replaced]
Diagnosis
No diagnoses are available