| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tetrasphaera
Taxonomy
Tetrasphaera was named by Wang (2008). It is not extant. Its type is Tetrasphaera kuruktagensis.
It was assigned to Spumellaria by Aitchison et al. (2017).
It was assigned to Spumellaria by Aitchison et al. (2017).
Species
T. kuruktagensis (type species)