Cyclolithus
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Superregnum: Eukaryota
Regnum: Chromista
Subregnum: Hacrobia
Phylum: Haptophyta
Classis: Haptophyta incertae sedis
Familia: -
Genus: Cyclolithus
Species: †Cyclolithus gronosus – †Cyclolithus robustus
Species (in synonymy): †Cyclolithus anulus – Cyclolithus inflexus
Name edit
Cyclolithus Kamptner ex Deflandre, 1952