After Parker, 1982
<==o Polycistina |--o Spumelarida | |--o Sphaerocollina | | |-- Thalassicollidae | | |-- Physematidae | | |-- Orosphaeridae | | |-- Thalassothamnidae | | |-- Bathyspheridae | | |-- Thalassophysidae | | `--o Sphaeroidea | | |-- Collosphaeridae | | `-- Centrocollidae | `--o Sphaerellarina | |--o Cryptoaxoplastidiata | | |-- Macrosphaeridae | | `-- Centrocubidae | |--o Centroaxoplastidiata | | |-- Spongosphaeridae | | |-- Rhizosphaeridae | | `-- Thecosphaeridae | `--o Prunoidea | |-- Discoidae | `-- Larcoidae `--o Nassellarida |--o Plectellarina | |--o Nessoidea | | `-- Nesselidae | |--o Plectoidea | | `-- Plagonidae | |--o Stephoidea | | |-- Stephanidae | | |-- Semantidae | | |-- Coronidae | | `-- Tympanidae | `--o Spyroidea | |-- Zygospyridae | |-- Tholospyridae | |-- Phormospyridae | `-- Androspyridae `--o Cyrtellarina |--o Cyrtoidea | |-- Monocyrtoidea | |-- Dicyrtoidae | |-- Tricyrtoidae | `-- Stichocyrtoidae `--o Botryoidea |-- Cannobotryidae |-- Lithobotryidae `-- Pylobotryidae
Reference(s):
- Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company