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Heyuncunoceras
Taxonomy
Heyuncunoceras was named by Chen et al. (1981) [Sepkoski's age data: S Ludl-l Sepkoski's reference number: 651]. It is not extant.
It was assigned to Cyrtactinoceratidae by Chen et al. (1981); and to Cephalopoda by Sepkoski (2002).
It was assigned to Cyrtactinoceratidae by Chen et al. (1981); and to Cephalopoda by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Heyuncunoceras Chen et al. p. 51 |
| 2002 | Heyuncunoceras 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. †Heyuncunoceras Chen et al. 1981
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Diagnosis
No diagnoses are available