Umbilicosphaera
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Superregnum: Eukaryota
Regnum: Chromista
Subregnum: Hacrobia
Phylum: Haptophyta
Classis: Prymnesiophyceae
Ordo: Coccolithales
Familia: Calcidiscaceae
Genus: Umbilicosphaera
Species:
†U. anulata –
U. anulus –
U. calvata –
†U. foliosa –
U. hulburtiana –
U. scituloma –
U. sibogae
Species (in synonymy): Umbilicosphaera maceria – Umbilicosphaera mirabilis
NameEdit
Umbilicosphaera Lohmann, 1902