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Circulaforma
Taxonomy
Circulaforma was named by Cheng (1986) [Sepkoski's age data: C Vise-u C Bash-u Sepkoski's reference number: 701]. Its type is Circulaforma delicata.
It was assigned to Spumellaria by Sepkoski (2002); and to Ceratoikiscidae by Aitchison et al. (1999), De Wever et al. (2001) and Noble et al. (2017).
It was assigned to Spumellaria by Sepkoski (2002); and to Ceratoikiscidae by Aitchison et al. (1999), De Wever et al. (2001) and Noble et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Circulaforma Cheng |
| 1999 | Circulaforma Aitchison et al. p. 156 |
| 2001 | Circulaforma De Wever et al. p. 92 |
| 2002 | Circulaforma Sepkoski |
| 2017 | Circulaforma Noble et al. p. 423 |
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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. †Circulaforma Cheng 1986
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†Circulaforma admissarius Stratford and Aitchison 1997
†Circulaforma annula Won and Seo 2010
†Circulaforma davidi Aitchison 1999
†Circulaforma delicata Cheng 1986
†Circulaforma oilensis Schwartzapfel and Holdsworth 1996
†Circulaforma robusta Cheng 1986
Diagnosis
No diagnoses are available