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Aktastioceras
Taxonomy
Aktastioceras was named by Shimanskiy (1948) [Sepkoski's age data: P Asse P Leon Sepkoski's reference number: 2].
It was assigned to Parabactritidae by Teichert et al. (1964); and to Anarcestida by Sepkoski (2002).
It was assigned to Parabactritidae by Teichert et al. (1964); and to Anarcestida by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1948 | Aktastioceras Shimanskiy |
1964 | Aktastioceras Teichert et al. p. 503 |
2002 | Aktastioceras 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. †Aktastioceras Shimanskiy 1948
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†Aktastioceras kruglovi Shimanskiy 1948
†Aktastioceras mapesi Shimanskiy 1993
†Aktastioceras nishikawai Niko et al. 1993
Diagnosis
No diagnoses are available