|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Opisthocoelia
It was reranked as the order Opisthocoelia by Osborn (1904); it was synonymized subjectively with Sauropoda by Matthew (1915) and Romer (1966); it was corrected as Opisthocoela by McGrew et al. (1959); it was considered a nomen nudum by Hatcher (1903); it was synonymized subjectively with Sauropoda by Romer (1956) and Steel (1970).
It was assigned to Crocodilia by Owen (1859) and Owen (1861); to Sauropoda by Baur (1887); to Dinosauria by Cope (1883), Hay (1902) and Riggs (1903); to Dinosauria by Osborn (1904); and to Anura by McGrew et al. (1959).
|Year||Name and author|
|1861||Opisthocoelia Owen p. 300|
|1883||Opisthocoela Cope p. 98|
|1887||Opisthocoelia Baur p. 101|
|1891||Cetiosauria Baur pp. 450-451|
|1892||Cetiosauria Seeley p. 188|
|1902||Opisthocoelia Hay p. 482|
|1904||Opisthocoelia Osborn p. 114|
|1959||Opisthocoela McGrew et al. p. 130|
|1964||Cetiosauria Colbert p. 22 fig. 6|
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