A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal

Smith, A. S. Araujo, R. Mateus, O. 2012 A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal Acta Palaeontologica Polonica 57 257-266 Pistosaurus Thalassiodracon Plesiosaurus Cryptoclidus Kimmerosaurus SMNS16812 Seeleyosaurus Muraenosaurus Occitanosaurus Hydrorion Microcleidus Brancasaurus Libonectes Lusonectes Osteology Maximum Parsimony Based on reanalysis of the original matrix. Smith_etal_2012a