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
See also Kiessling 2003
Sister taxa: Anthozoa, Aspidella, Ausia, Conulata, Cordilites, Crassitubus, Cyclozoa, Erniettamorpha, Escumasia, Haootia, Hiemalora, Hydroconozoa, Medusae, Medusozoa, Melanofurcata, Melanosteus, Melanostylus, Myxozoa, Namacalathus, Olivooidae, Priscapennamarina, Quadratitubus, Ramellina, Ramitubus, Sinocyclocyclicus, Spatangopsis, Syringophyllum, Vauzutsubua, Xianguangia, Zolotytsia
Subtaxa: Acuticloudina Cloudina
Ecology: stationary semi-infaunal
Distribution:
• Cambrian of Antarctica (1 collection), Argentina (1)
• Ediacaran of Brazil (1), Canada (1: British Columbia), China (4), Iran (3), Mexico (1), Namibia (5), Oman (1), Paraguay (1), the Russian Federation (2), Spain (1), United States (3: California, Nevada)
• Vendian of Brazil (1)
Total: 26 collections including 27 occurrences