sentences:  In 1993, the British palaeontologists Stafford C. Howse and Andrew C. Milner concluded that the holotype sacrum and only specimen of "O. cluniculus" did not belong to a pterosaur, but to a maniraptoran dinosaur (this conclusion had also been reached independently by the British palaeontologist Christopher Bennett).They pointed out that no detailed attempts had been made to compare the sacrum of "O. cluniculus" with those of pterosaurs, and that "O. latidens" had in effect been treated as the type species of the genus "Ornithodesmus", with one writer even treating the original species as a synonym of the newer.As a definite species of pterosaurs, ""O.""