Classification of Debrenne et al. 2015
Ph. Cyanobacteria Stanier 1973
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G. †Manacyathus Jankauskas 1969
G. †Mussooriella Flügel and Singh 2003
Ph. †Archaeocyatha Vologdin 1937 [archaeocyath sponge]
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Invalid names: Cornutocyathus Zhuravleva et al. 1997 [nomen nudum]