This taxon is considered subjective synonym of
of the valid taxon Brontosaurus excelsus
according to the Paleobiology Database.
See the page for Brontosaurus excelsus →
Bibliography
Original description
O. C. Marsh. 1881. Principal characters of American Jurassic dinosaurs. Part V. The American Journal of Science and Arts, series 3 21:417-423
DOI ↗