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Cyrtospyroceras
Taxonomy
Cyrtospyroceras was named by Flower (1938) [Sepkoski's age data: D Fras-l Sepkoski's reference number: 524].
It was assigned to Spyroceratinae by Teichert et al. (1964); and to Oncoceratida by Sepkoski (2002).
It was assigned to Spyroceratinae by Teichert et al. (1964); and to Oncoceratida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Cyrtospyroceras Flower p. 50 |
| 1964 | Cyrtospyroceras Teichert et al. p. 248 |
| 2002 | Cyrtospyroceras 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. †Cyrtospyroceras Flower 1938
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Diagnosis
No diagnoses are available