|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was reranked as the suborder Rhynchosauri by Jaekel (1910); it was reranked as the suborder Rhynchosauria by Roxo (1937) and Kuhn (1946); it was reranked as the unranked clade Rhynchosauria by Long and Murry (1995) and Ezcurra (2016).
It was assigned to Diaptosauria by Osborn (1903); to Sphenodonti by Jaekel (1910); to Rhynchocephalia by Roxo (1937) and Kuhn (1946); to Archosauromorpha by Gauthier et al. (1989), Long and Murry (1995) and Dilkes (1998); to Archosauromorpha by Benton (1985), Carroll (1988), Benton (1990) and Nesbitt and Whatley (2004); and to Crocopoda by Ezcurra (2016).
|Year||Name and author|
|1903||Rhynchosauria Osborn pp. 456, 477|
|1910||Rhynchosauri Jaekel p. 333|
|1937||Rhynchosauria Roxo p. 44|
|1946||Rhynchosauria Kuhn p. 62|
|1985||Rhynchosauria Benton p. 154|
|1989||Rhynchosauria Gauthier et al. p. 345|
|1990||Rhynchosauria Benton p. 13|
|1995||Rhynchosauria Long and Murry|
|1998||Rhynchosauria Dilkes p. 503|
|2004||Rhynchosauria Nesbitt and Whatley p. 3|
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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.