(Demanda lizard, a reference to the Sierra de la Demanda).
Named By: Fidel Torcida Fernández-Baldor, Jose Ignacio Canudo, Pedro Huerta, Diego Montero, Xabier Pereda Suberbiola & Leonardo Salgado - 2011.
Classification: Chordata, Reptilia, Dinosauria, Saurischia, Sauropodomorpha, Sauropoda, Diplodocoidea, Rebbachisauridae.
Species: D. darwini (type).
Size: Uncertain, but estimated at somewhere between 10 and 12 meters long.
Known locations: Spain, Burgos Province - Castrillo la Reina Formation.
Time period: Late Barremian to Early Aptian of the Cretaceous.
Fossil representation: Partial cranial and post cranial skeletal remains.
Demandasaurus is not represented by a lot of
complete fossil material,
it has been identified as a rebbachisaurid sauropod. As a
rebbachisaurid, Demandasaurus was a form of
and an offshoot of the Dicraeosaurinae. Demandasaurus
course been related to the type genus of the Rebbachisauridae,
but it has also been popularly considered to be
related to the North African genus Nigersaurus.
The genus name Demandasaurus is a reference to the Sierra de la Demanda, a mountain sub-range of the Iberian Peninsula. The species name D. darwini is in honour of Charles Darwin, the progenitor of modern evolutionary theory.
- Demandasaurus darwini, a new rebbachisaurid sauropod from the Early Cretaceous of the Iberian Peninsula, Fidel Torcida Fernández-Baldor, Jose Ignacio Canudo, Pedro Huerta, Diego Montero, Xabier Pereda Suberbiola & Leonardo Salgado - 2011.