|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gymnolaemata - Cheilostomata
It was assigned to Bryozoa by Ulrich and Bassler (1904) and Canu and Bassler (1935); to Ectoprocta by Brown (1956) and Brown (1958); and to Gymnolaemata by Brown (1952), Parker (1982), Gordon and Taylor (1999), Sepkoski (2002), Schmidt (2003), Guha and Gopikrishna (2007), Guha and Gipikrishna (2007), Zagorsek et al. (2010) and Gordon and Taylor (2015).
|Year||Name and author|
|1904||Chilostomata Ulrich and Bassler p. 407|
|1935||Cheilostomata Canu and Bassler|
|1999||Cheilostomata Gordon and Taylor|
|2002||Cheilostomata Sepkoski, Jr.|
|2007||Cheilostomata Guha and Gipikrishna p. 804|
|2007||Cheilostomata Guha and Gopikrishna p. 122|
|2010||Cheilostomata Zagorsek et al.|
|2015||Cheilostomata Gordon and Taylor|
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.