Brill, K.; and Carpenter, K. A baby ornithopod from the Morrison Formation of Garden Park, Colorado. Tanke, D.H.; and Carpenter, K. (eds.) (编). Mesozoic Vertebrate Life. Bloomington and Indianapolis: Indiana University Press. 2001: 197-205. ISBN 0-253-33907-3.引文使用过时参数coauthors (帮助)
Brill, K.; and Carpenter, K. A baby ornithopod from the Morrison Formation of Garden Park, Colorado. Tanke, D.H.; and Carpenter, K. (eds.) (编). Mesozoic Vertebrate Life. Bloomington and Indianapolis: Indiana University Press. 2001: 197–205. ISBN 0-253-33907-3.引文使用过时参数coauthors (帮助)
skeletaldrawing.com
Scott Hartman. othnielia. [2007-01-25]. (原始内容存档于2012-02-06).
web.archive.org
Scott Hartman. othnielia. [2007-01-25]. (原始内容存档于2012-02-06).