Ji, C. Jiang, D.-Y. Motani, R. Rieppel, O. Hao, W.-C. Sun, Z.-Y. 2016 Phylogeny of the Ichthyopterygia incorporating recent discoveries from South China Journal of Vertebrate Paleontology 36 e1025956 Petrolacosaurus Thadeosaurus Claudiosaurus Hovasaurus Hupehsuchus Utatsusaurus Grippia Gulosaurus Chaohusaurus Mixosaurus_panxianensis Mixosaurus_cornalianus Mixosaurus_kuhnschnyderi Phalarodus_atavus Phalarodus_fraasi Phalarodus_callawayi Cymbospondylus_piscosus Cymbospondylus_buchseri Cymbospondylus_nichollsi Xinminosaurus Besanosaurus Guizhouichthyosaurus Callawayia_wolonggangensis Guanlingsaurus Shastasaurus Shonisaurus_popularis Shonisaurus_sikanniensis Californosaurus Toretocnemus Qianichthyosaurus_zhoui Qianichthyosaurus_xingyiensis Callawayia_neoscapularis Hudsonelpidia Macgowania Suevoleviathan Leptonectes_tenuirostris Leptonectes_moorei Leptonectes_solei Excalibosaurus Eurhinosaurus Hauffiopteryx Ichthyosaurus Stenopterygius Temnodontosaurus Aegirosaurus Acamptonectes Maiaspondylus Arthropterygius Athabascasaurus Sveltonectes Brachypterygius Caypullisaurus Platypterygius_australis Platypterygius_americanus Cryopterygius Ophthalmosaurus_icenicus Ophthalmosaurus_natans Malawania Chacaicosaurus Mollesaurus Parvinatator Leninia Thalattoarchon Palvennia Sisteronia Osteology Maximum Parsimony Based on reanalysis of the original matrix. Ji_etal_2016a