| Kingdom | Phylum | Family | Genus |
|---|---|---|---|
| Chromista | Foraminifera | Calcisphaeridae | Calcisphaera Williamson, 1880 |
Calcisphaera hexagonata Williamson, 1880. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-12-09.