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Radiolaria - Albaillellaria - Ceratoikiscidae

Ceratoikiscum was named by Deflandre (1953) [Sepkoski's age data: S Wenl C Serp-u Sepkoski's reference number: 546,701]. Its type is Ceratoikiscum avimexpectans. It is the type genus of Ceratoikiscidae.

It was assigned to Spumellaria by Sepkoski (2002); and to Ceratoikiscidae by De Wever et al. (2001), Wang et al. (2003), Feng et al. (2004) and Noble et al. (2017).

Synonymy list
YearName and author
1953Ceratoikiscum Deflandre
1973Xiphachistrella Deflandre
2001Ceratoikiscum De Wever et al. p. 92
2001Xiphachistrella De Wever et al. p. 98
2002Ceratoikiscum Sepkoski, Jr.
2002Xiphachistrella Sepkoski, Jr.
2003Ceratoikiscum Wang et al. p. 138
2004Ceratoikiscum Feng et al. p. 380
2017Ceratoikiscum Noble et al. p. 423

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phylumRetariaCavalier-Smith 1999
classRadiolariaMüller 1858
superorderPolycystina(Ehrenberg 1867)
orderAlbaillellariaDeflandre 1953
familyCeratoikiscidaeHoldsworth 1969
genusCeratoikiscumDeflandre 1953

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.

No diagnoses are available