Discovery of the Turiasaurus riodevensis Historical milestone · Riodeva, Comunidad de Teruel, Teruel Image of Riodeva, not of the place itself. In 2003 the remains of the largest dinosaur known in Europe were located at the sites of Barrihonda and El Humero, described as Turiasaurus riodevensis. The excavation, directed by the palaeontological foundation of Dinópolis, continued for years. 2003 Photo: Viquipèdia (CC BY-SA 4.0) What to see and do in Riodeva