Vertebrata Fish   Tetrapoda Basal Tetrapoda Stegocephalia Temnospondyli Lepospondyli Microsauria Reptilomorpha   Reptilia/Amniota Silvanerpeton   Archosauromorpha Basal Archosauromorpha Protosynapsida Synapsida Mammalia Protodiapsida Diapsida Terrestrial Younginiformes Marine Younginiformes Enaliosauria Protorosauria Archosauriformes Archosauria Dinosauria   Lepidosauromorpha Urumqia clade Cephalerpeton clade Captorhinidae Milleretta Limnoscelis clade Bolosaurus Diadectes clade Turtle Pareiasaur clade Lanthanosuchia Owenettidae Lepidosauriformes Lepidosauria Tritosauria Fenestrasauria • Pterosauria Protosquamata Squamata     Marine Younginiformes Galesphyrus Youngina BPI 3859 Thadeosaurus Tangasaurus Hovasaurus Claudiosaurus Acerosodontosaurus Adelosaurus Atopodentatus Sinosaurosphargis Largocephalosaurus   Enaliosauria Anarosaurus   Sauropterygia Pachypleurosaurus Qianxisaurus   Placodontia Palatodonta Paraplacodus   Mesosauria PIMUZ-A-III-0192 SMF R 4710 Stereosternum   Ichthyopterygia Wumengosaurus Hupehsuchus Utatsusaurus   Thalattosauriformes Serpianosaurus Askeptosaurus   © After5 contact: info@reptileevolution.com Home Page