Type species: Schizoporella challengeria Waters, 1888 (=Myriozoum immersum Busk, 1884).
Schizoporella challengeriana was a misprint in Canu & Bassler, 1927. Schizoporella challengeria was proposed as a replacement name for Myriozoum immersum Busk, 1884, by Waters, as he considered both this species and Onchopora immersa Haswell, 1881 were to be included in Schizoporella, making Busk's species a secondary homonym. As Onchopora immersa is now recognised as belonging to Tetraplaria, the replacement name is unnecessary.
This genus includes the species
| Catadysis immersum | (Busk, 1884) | Recent | Antarctic, S.Atlantic |
| Catadysis levis | Bock & Cook, 2000 | Recent | SE Australia |
| Catadysis pygmaeum | Moyano, 1985 | Recent | Magellanic SE Pacific |
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| Catadysis levis |
Harmer notebook - entry for Catadysis
Reference: Bock, Philip E., & Cook, Patricia L., 2000. Lekythoporidae (Bryozoa, Cheilostomata) from the Tertiary and Recent of southeastern Australia. Memorie di Scienze Geologiche, 52 (1): 167-174.
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