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Cyclusphaera

Equisetopsida - Araucariaceae

Taxonomy
Cyclusphaera was named by Elsik (1966). It is not extant. It is considered to be a form taxon.

It was assigned to Coniferales by Elsik (1966); and to Araucariaceae by Del Fueyo et al. (2012) and Perez Loinaze et al. (2023).

Species lacking formal opinion data

Synonymy list
YearName and author
1966Cyclusphaera Elsik
2012Cyclusphaera Del Fueyo et al.
2023Cyclusphaera Perez Loinaze et al.

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RankNameAuthor
kingdomPlantae
superphylumTracheophyta
Pteridobiotina
superphylumPteridophytanae
phylumEquisetophytaScott 1900
RankNameAuthor
classEquisetopsidaAgardh 1825
subclassPinidae
familyAraucariaceaeHenckel and Hochstetter 1865
genusCyclusphaeraElsik 1966

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. †Cyclusphaera Elsik 1966
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Cyclusphaera crassa Archangelsky 1983
Cyclusphaera doubingeri Salard-Cheboldaeff 1978
Cyclusphaera euribei Elsik 1966
Cyclusphaera psilata Volkheimer and Sepulveda 1976
Cyclusphaera radiata Archangelsky 1983
Diagnosis
No diagnoses are available