|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was reranked as the infraclass Inadunata by Wright et al. (2017), Ausich et al. (2018), Mao et al. (2018) and Wright et al. (2019).
It was assigned to Crinoidea by Regnell (1948), Burke (1977), Frest et al. (1979), Haugh (1979), Parsley (1981), Donovan (1984) and Donovan (1986); and to Pentacrinoidea by Wright et al. (2017), Ausich et al. (2018), Mao et al. (2018) and Wright et al. (2019).
|Year||Name and author|
|1897||Inadunata Wachsmuth and Springer|
|1977||Inadunata Burke p. 174|
|1979||Inadunata Frest et al. p. 406|
|1979||Inadunata Haugh p. 18|
|2017||Inadunata Wright et al.|
|2018||Inadunata Ausich et al.|
|2018||Inadunata Mao et al. p. 1069|
|2019||Inadunata Wright et al.|
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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.