橡樹龍目前只有一個種,模式種是高橡樹龍(D. altus),是在1878年由奧塞內爾·查利斯·馬什
(Othniel Charles Marsh)所敘述、命名,曾經被歸類於化石龍的一種。化石發現於美國的科羅拉多州、猶他州、懷俄明州,發現於莫里遜組的第2到第6地層帶[7]。目前已經發現7具部分骨骼,以及眾多的骨頭標本,來自於各種年齡層。
^Tom R. Hübner and Oliver W. M. Rauhut. A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod dinosaurs. Zoological Journal of the Linnean Society. 2010, 160 (2): 366–396. doi:10.1111/j.1096-3642.2010.00620.x.
^Galton, P.M., 1977. "The Upper Jurassic dinosaur Dryosaurus and a Laurasia-Gondwana connection in the Upper Jurassic", Nature 268(5617): 230-232
^Horner, John R.; de Ricqlés, Armand; Padian, Kevin; and Scheetz, Rodney D. Comparative long bone histology and growth of the "hysilophodontid" dinosaurs Orodromeus makelai, Dryosaurus altus, and Tenontosaurus tillettii (Ornithischia: Euornithopoda). Journal of Vertebrate Paleontology. 2009, 29 (3): 734–747. doi:10.1671/039.029.0312.引文使用过时参数coauthors (帮助)
^ 5.05.1"Dryosaurus altus," Foster (2007) pp. 218-219.
^David Lambert, Darren Naish, Elizabeth Wyse. Encyclopedia of Dinosaurs and Prehistoric Life. Dorling Kindersley Publishers Ltd. 2002.