About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 29. Chapters: Ichthyostega, Acanthostega, Pterygotus, Walliserops, Schinderhannes bartelsi, Gluteus minimus, Orthoceras, Pterygotidae, Tulerpeton, Bellerophon, Acutiramus, Attercopus, Bactroceras, Aciculopoda, Hynerpeton, Erbenochile, Dawsonoceratidae, Rayonnoceras, Phacops rana, Encrinuridae, Geisonoceratidae, Ichthyostegalia, Geisonocerina, Jaekelopterus rhenaniae, Hederellid, Rutocerina, Agoniatitida, Michelinoceras, Pseudorthoceratidae, Ormoceras, Microconchida, Acleistoceras, Promissum, Dicranurus, Urasterella, Mucrospirifer, Rhyniella praecursor, Atractopyge, Bogoslovskya, Brontoscorpio, Hercynella, Eurypteridae, Obruchevichthys, Palaeospondylus, Clymenia, Cyrtoceras, Hemicosmorthoceras, Mericoceras, Atrypa, Eurypteroidea, Terebratula, Metaxygnathus, Stylonuroidea, Aviculopecten, Tentaculite, Meristina, Elginerpeton, Spiriferina, Discinisca, Terataspis, Eucalyptocrinites, Columnaria, Pentamerus, Solenomorpha, Asmussia murchisoniana, Wilkingia, Eospirifer, Dicoelosia, Cupressocrinites, Soliclymenia, Archaeocidaris, Cyathocrinites, Cardiola, Sinostega, Ductina, Ichthyostegidae, Dimerocrinites, Palaeophonus, Morocconites, Favositella, Parisangulocrinus, Paropsonemid, Eoarthropleura, Marsupiocrinus, Mimagoniatites, Pernerocrinus, Palastericus, Radotina, Hederopsis. Excerpt: Ichthyostega (Greek: "fish roof") is an early tetrapod genus that lived at the end of the Upper Devonian period (Famennian age, 374 - 359 million years ago). It was a labyrinthodont, one of the first fossil record of tetrapods. Ichthyostega possessed lungs and limbs that helped it navigate through shallow water in swamps. Though undoubtedly of amphibian build and habit, it is not considered a true member of the group in the narrow sense, as the first true amphibians appeared in the Carboniferous period. Ichthyostega skull reconstruction at the Geological Mus...
