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 S. A. F. Darroch et al. 2024
See also Kiessling 2003, Vinn et al. 2025, Wood 2011 and Yang et al. 2020
Sister taxa: Annulatubus, Anthozoa, Cambroctoconus, Cambrorhytium, Crassitubus, Erniettamorpha, Escumasia, Haootia, Hydroconozoa, Inaria, Liaoningia, Mackenziidae, Mawsonites, Medusae, Medusozoa, Melanofurcata, Melanosteus, Melanostylus, Myxozoa, Priscapennamarina, Pywackia, Quadratitubus, Ramellina, Ramitubus, Sekwitubulus, Sinocyclocyclicus, Spatangopsis, Syringophyllum, Thaumoptilon, Vauzutsubua, Zolotytsia
Subtaxa: Acuticloudina Cloudina Conotubus Costatubus Rajatubulus Saarina Shaanxilithes Sinotubulites Wyattia Zuunia
Type: Cloudina
Ecology: stationary semi-infaunal
Distribution:
• Cambrian of Antarctica (1 collection), Argentina (1), Estonia (1), Namibia (1)
• Begadean of United States (1: Nevada)
• Poundian of China (1)
• Vendian of Brazil (1), the Russian Federation (2)
• Ediacaran of Brazil (10), Canada (1: British Columbia), China (16), Iran (3), Mexico (7), Mongolia (1), Namibia (10), Oman (2), Paraguay (4), the Russian Federation (2), South Africa (4), Spain (3), United States (14: California, Nevada)
Total: 86 collections including 103 occurrences