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Sphyradoceras
Taxonomy
Sphyradoceras was named by Hyatt (1884) [Sepkoski's age data: D Emsi-u Sepkoski's reference number: 299,524].
It was assigned to Nephriticeratidae by Teichert et al. (1964); and to Barrandeocerida by Sepkoski (2002).
It was assigned to Nephriticeratidae by Teichert et al. (1964); and to Barrandeocerida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Sphyradoceras Hyatt p. 298 |
| 1964 | Sphyradoceras Teichert et al. p. 380 |
| 2002 | Sphyradoceras 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. †Sphyradoceras Hyatt 1884
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Diagnosis
No diagnoses are available