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Cyclastrum
Taxonomy
Cyclastrum was named by Rüst (1898) [Sepkoski's age data: K Haut R Sepkoski's reference number: ZR76]. It is extant.
It was assigned to Angulobracchiidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).
It was assigned to Angulobracchiidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Cyclastrum Rüst |
| 2001 | Cyclastrum De Wever et al. p. 141 |
| 2002 | Cyclastrum 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. Cyclastrum Rüst 1898
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†Cyclastrum asuncionense Whalen and Carter 2002
†Cyclastrum decorum Petercakova 1992
†Cyclastrum scammonense Whalen and Carter 2002
†Cyclastrum veracruzense Whalen and Carter 2002
Diagnosis
No diagnoses are available