Full reference: G. Hahn and H. D. Pflug. 1985. Die Cloudinidae n. fam., Kalk-Röhren aus dem Vendium und Unter-Kambrium. Senckenbergiana lethaea 65(4-6):413-431

Parent taxon: Cnidaria according to R. A. Wood 2011

Sister taxa: Anthozoa, Aspidella, Ausia, Conulata, Crassitubus, Cubozoa, Cyclozoa, Erniettamorpha, Escumasia, Hiemalora, Hydroconozoa, Hydrozoa, Medusae, Melanofurcata, Melanosteus, Melanostylus, Myxozoa, Namacalathus, Priscapennamarina, Quadratitubus, Ramellina, Ramitubus, Scyphozoa, Sinocyclocyclicus, Spatangopsis, Vauzutsubua, Xianguangia, Zolotytsia

Subtaxa: Acuticloudina, Cloudina

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Ecology: stationary semi-infaunal