(Porto Dineheiro lizard).
Named By: J. F. Bonaparte & O. Mateus - 1999.
Classification: Chordata, Reptilia, Dinosauria, Sauropodomorpha, Diplodocidae, Diplodocinae.
Species: D. lourinhanensis (type).
Size: Uncertain, but roughly estimated to be about 25 meters long.
Known locations: Portugal - Camadas de Alcobaca Formation.
Time period: Kimmeridgian of the Jurassic.
Fossil representation: Partial post cranial remains including ribs, vertebrae and limbs.
Fossils of Dinheirosaurus were first treated as belonging to Lourinhasaurus until new study ascertained that they were of a different genus. For some time afterwards there was still speculation that this was a mistake and that Dinheirosaurus should be regarded as a synonym to Lourinhasaurus, but even further study has now established without doubt that the two genera are definitely separate. Dinheirosaurus is regarded as being a diplodocid sauropod, similar to the North American genus Diplodocus. Lourinhasaurus however is regarded as being similar to Camarasaurus, a very different kind of sauropod. As a diplodocid, Dinheirosaurus was probably best suited to browsing upon low growing vegetation from above rather than reaching up into the trees.
- A new diplodocid, Dinheirosaurus lourinhanensis gen. et sp. nov., from the Late Jurassic beds of Portugal, J. F. Bonaparte & O. Mateus - 1999.