|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Stenolaemata - Cyclostomata
It was assigned to Bryozoa by Ulrich and Bassler (1904); to Ectoprocta by Brown (1956); to Agnatha by Bardack and Zangerl (1968); and to Stenolaemata by Brood (1976), Gordon and Taylor (1999), Sepkoski (2002), Schmidt (2003), Guha and Gopikrishna (2007), Sanchez (2009), Zaton and Taylor (2010), Ernst and Nakrem (2012) and Gordon and Taylor (2015).
|Year||Name and author|
|1904||Cyclostomata Ulrich and Bassler p. 404|
|1968||Cyclostomata Bardack and Zangerl p. 1265|
|1999||Cyclostomata Gordon and Taylor|
|2002||Cyclostomata Sepkoski, Jr.|
|2007||Cyclostomata Guha and Gopikrishna p. 1272|
|2010||Cyclostomata Zaton and Taylor p. 277|
|2012||Cyclostomata Ernst and Nakrem|
|2015||Cyclostomata 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.