|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was assigned to Ankylosauria by Vickaryous et al. (2004); and to Nodosauridae by Carpenter et al. (1995), Ford (2000), Carpenter (2001), Pereda Suberbiola and Galton (2001), Ford and Kirkland (2001), Carpenter and Everhart (2007) and Galton (2019).
|Year||Name and author|
|1995||Niobrarasaurus Carpenter et al.|
|2000||Niobrarasaurus Ford p. 175|
|2001||Niobrarasaurus Carpenter p. 457|
|2001||Niobrarasaurus Ford and Kirkland p. 255|
|2001||Niobrarasaurus Pereda Suberbiola and Galton p. 199|
|2004||Niobrarasaurus Vickaryous et al. p. 367|
|2007||Niobrarasaurus Carpenter and Everhart p. 1|
|2019||Niobrarasaurus Galton p. 212|
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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.