Project Gutenberg 2011-09-08 Public domain in the USA. 122 Eaton, Theodore H. (Theodore Hildreth) 1907 1981 Eaton, Theodore Hildreth The Ancestry of Modern Amphibia: A Review of the Evidence Reading ease score: 49.2 (College-level). Difficult to read. Produced by Chris Curnow, Charlene Taylor, Joseph Cooper and the Online Distributed Proofreading Team at http://www.pgdp.net "The Ancestry of Modern Amphibia: A Review of the Evidence" by Theodore H. Eaton, Jr. is a scientific publication written in the mid-20th century. This book provides an in-depth examination of the evolutionary relationships and origins of modern amphibians, focusing on their ancestral ties to ancient species. Through careful analysis of paleontological evidence, Eaton aims to elucidate the lineage of modern amphibians such as frogs, salamanders, and caecilians. In this thorough review, Eaton discusses various groups of ancient amphibians and their structural features, comparing them to the characteristics of contemporary amphibians. He highlights critical similarities and differences among modern orders, particularly Anura (frogs) and Urodela (salamanders), to propose their potential common ancestry stemming from Paleozoic labyrinthodonts. Eaton provides a detailed account of skeletal structures, ear mechanisms, and developmental processes across numerous species, arguing that the evolutionary history of these creatures is marked by significant adaptations to both aquatic and terrestrial environments. Throughout the work, the author integrates morphological data and embryological insights, building a case for a closely linked evolutionary heritage among modern amphibians. (This is an automatically generated summary.) http://www.gutenberg.org/files/37350/37350-h/images/title.png en Amphibians, Fossil Amphibians -- Anatomy QH Text Animal Animals-Wild-Reptiles and Amphibians Browsing: Nature/Gardening/Animals Browsing: Science - Earth/Agricultural/Farming Browsing: Science - Genetics/Biology/Evolution 85640 85666 2024-10-15T17:31:20.478245 2023-09-16T09:31:52.630631 text/html text/html 82176 2011-09-08T15:18:28 text/html; charset=iso-8859-1 938277 2011-09-08T15:18:30 text/html; charset=iso-8859-1 application/zip 1090063 2024-10-15T17:31:29.851246 application/epub+zip 1089620 2024-10-15T17:31:25.531211 application/epub+zip 90265 2024-10-15T17:31:22.940267 application/epub+zip 1195882 2024-10-15T17:31:31.958186 application/x-mobipocket-ebook 1184419 2024-10-15T17:31:27.715447 application/x-mobipocket-ebook 187744 2022-09-17T07:07:12.024250 application/x-mobipocket-ebook 72184 72059 2024-10-15T17:31:20.053227 2023-09-16T09:31:52.344604 text/plain; charset=us-ascii text/plain 72038 2011-09-08T15:18:28 text/plain; charset=iso-8859-1 26886 2011-09-08T15:18:30 text/plain; charset=iso-8859-1 application/zip 72043 2011-09-08T15:18:28 text/plain; charset=us-ascii 26846 2011-09-08T15:18:28 text/plain; charset=us-ascii application/zip 22304 2024-10-15T17:31:32.089182 application/rdf+xml 23671 2024-10-15T17:31:23.493231 image/jpeg 4868 2024-10-15T17:31:23.213245 image/jpeg 1035398 2024-10-15T17:31:20.515268 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog