†family Ceratoikiscidae Holdsworth 1969 (radiolarian)

Radiolaria - Albaillellaria - Ceratoikiscidae

Synonym: Holoeciscidae Cheng 1986

Parent taxon: Albaillellaria according to P. Noble et al. 2017

See also Aitchison et al. 1999, Buckman and Aitchison 2001, De Wever et al. 2001, Feng et al. 2004 and Wang et al. 2003

Sister taxa: Albaillellacea, Albaillellidae, Corythoecidae, Follicucullidae, Palacantholithidae, Palacantholithus, Xiphocabrium

Subtaxa: Campanulithus Ceratoikiscum Circulaforma Eoalbaillella Gansuceratoikiscum Glanta Helenifore Holoeciscus Kappaforma Nazarovites Neoholoeciscus Proholoeciscus Protoceratoikiscum Protoholoeciscus Raphidociclicus Xiphocladiella

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Type: Ceratoikiscum

Ecology: passively mobile planktonic omnivore

Distribution:

• Carboniferous of Germany (3 collections), Thailand (2)

• Devonian of Australia (8), China (1), United States (3: Ohio)

• Ordovician of United States (1: Nevada)

• Llandeilo of China (1)

Total: 19 collections including 33 occurrences

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