After Parker, 1982
<==o Stenolaemata |?-o †Cystoporata | |-- †Fistulipora | `-- †Ceramopora |?-o †Trepostomata | |-- †Monticulipora | |-- †Anisotrypa | |-- †Dekayia | `-- †Hallopora |?-o †Cryptostomata | `-- †Arthrophragma |?-o †Fenestrata | |-- †Fenestella | |-- †Rhabdomeson | `-- †Archimedes `--o Cyclostomata [Tubuliporata] |--o Articulata [Camptostega] [non Articulata, a group of brachiopods] | `-- Crisiidae |--o Tubuliporina [Acamptostega; Paralleta; Tubulata] | |-- Oncousoeciidae | |-- Tubuliporidae | |-- Diastoporidae | |-- Terviidae | |-- Mecynoeciidae | |-- Diaperoeciidae | `-- Hastingsiidae |--o Fasciculina | |-- Frondiporidae | `-- Theononidae |--o Cancellata [Pachystega] | |-- Horneridae | |-- Stigmatoechidae | |-- Cytitidae | |-- Crisinidae | |-- Pseudidmoneidae | `-- Calvetiidae |--o Cerioporina [Heteroporina] | |-- Heteroporidae | |-- Tretocycloeciidae | `-- Corymboporidae `--o Rectangulata [Calyptrostega] `-- Lichenoporidae
Reference(s):
- Clarkson, E. N. K., 1998: Invertebrate paleontology and evolution.
–Blackwell Science, 1998, xvi-452 - Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company