Marsh returned to the genus in 1894, when additional remains convinced him that L. altus deserved its own genus (Dryosaurus), and that there was another species present: L. consors, based on YPM 1882, a partial skeleton also from Como Bluff.
Marsh's 1894 return to the genus *Dryosaurus* was influenced by new discoveries of remains that led him to believe it deserved its own genus and that another species existed: *L. consors*. This other species was identified based on YPM 1882, a partial skeleton found at Como Bluff.