Marek, R. D. Moon, B. C. Williams, M. Benton, M. J. 2015 The skull and endocranium of a Lower Jurassic ichthyosaur based on digital reconstructions Palaeontology 58 723-742 Mikadocephalus_gracilirostris Hudsonelpidia_brevirostris Macgowania_janiceps Leptonectes_tenuirostris Excalibosaurus_costini Eurhinosaurus_longirostris Temnodontosaurus_spp Suevoleviathan_disinteger Ichthyosaurus_communis Hauffiopteryx_typicus Stenopterygius_quadriscissus Chacaicosaurus_cayi Ophthalmosaurus_icenicus Ophthalmosaurus_natans Mollesaurus_perialus Acamptonectes_densus Brachypterygius_extremus Arthropterygius_chrisorum Caypullisaurus_bonapartei Aegirosaurus_leptospondylus Platypterygius_australis Platypterygius_hercynicus Maiaspondylus_lindoei Athabascasaurus_bitumineus Sveltonectes_insolitus Malawania_anachronus BRLSI_M1399 Osteology Maximum Parsimony Based on reanalysis of the original matrix. Marek_etal_2015a