Umbilicosphaera hulburtiana
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Superregnum: Eukaryota
Regnum: Chromista
Subregnum: Hacrobia
Phylum: Haptophyta
Classis: Prymnesiophyceae
Ordo: Coccolithales
Familia: Calcidiscaceae
Genus: Umbilicosphaera
Species: Umbilicosphaera hulburtiana
Name edit
Umbilicosphaera hulburtiana Gaardner, 1970