About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 213. Not illustrated. Chapters: Prehistoric Synapsids of Africa, Prehistoric Synapsids of Asia, Prehistoric Synapsids of Europe, Prehistoric Synapsids of North America, Prehistoric Synapsids of South America, Lystrosaurus, Oligokyphus, Dimetrodon, Gorgonops, Trirachodon, Edaphosaurus, Estemmenosuchus, Diictodon, Cynognathus, Cotylorhynchus, Probelesodon, Thrinaxodon, Dicynodon, Anteosaurus, Lumkuia, Placerias, Pachygenelus, Archaeothyris, Inostrancevia, Moschops, Tetraceratops, Deuterosaurus, Suminia, Exaeretodon, Oudenodon, Chiniquodon, Tapinocephalus, Jonkeria, Kannemeyeria, Biarmosuchus, Titanophoneus, Hahnia, Lycaenops, Charassognathus, Ianthasaurus, Lepagia, Dinodontosaurus, Ophiacodon, Euchambersia, Eotitanosuchus, Ictidorhinus, Angelosaurus, Dvinia, Cistecephalus, Procynosuchus, Jachaleria, Ischigualastia, Protuberum, Stahleckeria, Brasilodon, Haptodus, Robertia, Ctenospondylus, Brasilitherium, Massetognathus, Luangwa, Probainognathus, Sinokannemeyeria, Caseoides, Oedaleops, Ecteninion, Bathygnathus, Riograndia, Ericiolacerta, Parathrinaxodon, Varanops, Secodontosaurus, Clepsydrops, Ivantosaurus, Struthiocephalus, Neosaurus, Eoarctops, Dinogorgon, Diarthrognathus, Diademodon, Styracocephalus, Caseopsis, Eodicynodon, Dolichuranus, Megawhaitsia, Traversodon, Prozostrodon, Chronoperates, Rabidosaurus, Kingoria. Excerpt: Lystrosaurus (meaning "shovel lizard," pronounced ) was a genus of Late Permian and Early Triassic Period dicynodont therapsids, which lived around 250 million years ago in what is now Antarctica, India, and South Africa. Four to six species are currently recognized, although from the 1930s to 1970s the number of species was thought to be much higher. Being a dicynodont, Lystrosaurus had only two teeth, a pair of tusk-like canines, and is thought to have had a horny beak that was used for biting off pieces of ...
