Parent taxon: Eukaryota according to E. Taylor et al. 2008

Sister taxa: Acritarcha, Allonema, Archaeplastida, Chlorobiota, Chromalveolata, Chromista, Conglobocella, Dinophyta, Euglenophyta, Melanocyrillium, Opisthokonta, Palaeosiphonella, Plantae, Protista, Protozoa, Rhizaria, Rhizopodea, Stramenopila

Subtaxa: Coccolithophorales

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Distribution: found only at AMNH no. 5555 specimen (Cretaceous of Nebraska)

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