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: Annelida according to B. Yang et al. 2020
See also Kiessling 2003 and Wood 2011
Sister taxa: Amphinomea, Aphanoneura, Burgessochaeta, Chaetopoda, Clitellata, Ctenoscolex, Insolicorypha, Myzostomaria, Palaeoannelida, Peronochaeta, Polychaeta, Sabelliditida, Skolekichnus, Stephanoscolex, Terebellina, Thartharella, Tubulostium, Vermiforafacta
Subtaxa: Acuticloudina Cloudina Conotubus Costatubus Rajatubulus Saarina Zuunia
Ecology: stationary semi-infaunal
Distribution:
• Cambrian of Antarctica (1 collection), Argentina (1), United States (1: Nevada)
• Ediacaran of Brazil (2), Canada (1: British Columbia), China (7), Iran (3), Mexico (2), Namibia (6), Oman (1), Paraguay (1), the Russian Federation (2), Spain (2), United States (11: California, Nevada)
• Vendian of Brazil (1)
Total: 42 collections including 48 occurrences