|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was reranked as the unranked clade Rhachitomi by Huene (1954), Schoch (2013), Schoch and Milner (2014) and Schoch and Voigt (2019).
It was assigned to Stegocephali by Cope (1882); to Batrachia by Cope (1884); to Embolomeri by Watson (1919); to Stegocephalia by Huene (1954); to Temnospondyli by Kuhn (1946) and Carroll (1967); to Temnospondyli by Romer (1947), Bolt (1969) and Olson (1970); to Amphibia by Thurmond and Jones (1981); and to Eutemnospondyli by Schoch (2013), Schoch and Milner (2014) and Schoch and Voigt (2019).
|Year||Name and author|
|1882||Rhachitomi Cope p. 334|
|1884||Rhachitomi Cope p. 28|
|1919||Rachitomi Watson p. 64|
|1946||Rhachitomi Kuhn p. 52|
|1947||Rhachitomi Romer p. 311|
|1954||Rhachitomi Huene p. 10|
|1967||Rhachitomi Carroll p. 113|
|1969||Rhachitomi Bolt p. 888|
|1970||Rhachitomi Olson p. 400|
|1981||Rhachitomi Thurmond and Jones p. 109|
|2014||Rhachitomi Schoch and Milner p. 52|
|2019||Rhachitomi Schoch and Voigt|
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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.