Download e-book for kindle: Amphibian Evolution: The Life of Early Land Vertebrates by Rainer R. Schoch

By Rainer R. Schoch

ISBN-10: 0470671777

ISBN-13: 9780470671771

This ebook makes a speciality of the 1st vertebrates to overcome land and their lengthy trip to develop into absolutely self sufficient from the water. It strains the starting place of tetrapod positive aspects and attempts to provide an explanation for how and why they remodeled into organs that allow existence on land. even if the key body of the subject lies long ago 370 million years and inevitably offers with many fossils, it's faraway from limited to paleontology. the purpose is to accomplish a finished photo of amphibian evolution. It specializes in significant questions in present paleobiology: how assorted have been the early tetrapods? during which environments did they stay, and the way did they arrive to be preserved? What will we learn about the delicate physique of extinct amphibians, and what does that let us know concerning the evolution of an important organs in the course of the transition to land? How did early amphibians boost and develop, and that have been the most important elements in their evolution?

The Topics in Paleobiology Series is released in collaboration with the Palaeontological organization, and is edited via Professor Mike Benton, college of Bristol.

Books within the sequence supply a precis of the present country of data, a relied on direction into the first literature, and should act as tips for destiny instructions for learn. in addition to volumes on person teams, the sequence also will take care of subject matters that experience a cross-cutting relevance, equivalent to the evolution of important ecosystems, specific key instances and occasions within the heritage of lifestyles, weather swap, and the applying of a brand new concepts equivalent to molecular palaeontology.

The books are written by way of top overseas specialists and may be pitched at a degree compatible for complex undergraduates, postgraduates, and researchers in either the paleontological and organic sciences.

Show description

Read or Download Amphibian Evolution: The Life of Early Land Vertebrates PDF

Similar paleontology books

Introduction to Marine Micropaleontology by B.U. Haq, A. Boersma PDF

This superbly illustrated textual content e-book, with state of the art illustrations, turns out to be useful not just for an advent to the topic, but additionally for the applying of marine microfossils in paleoceanographic, paleoenvironmental and biostratigraphic analyses. the hot revival of curiosity in marine micropaleontology all over the world within the wake of the improvement of series stratigraphic versions has resulted in the choice to reissue the amount in its unique, yet paperback, shape.

Evolution of herbivory in terrestrial vertebrates : by Hans-Dieter Sues PDF

Even though herbivory most likely first seemed over three hundred million years in the past, it basically turned verified as a typical feeding method in the course of past due Permian occasions. in this case, herbivory advanced in several lineages of terrestrial vertebrates, and the purchase of this mode of feeding used to be often linked to substantial evolutionary diversification in these lineages.

Download PDF by Peter D. Ward: The Call of Distant Mammoths: Why the Ice Age Mammals

Simply 12,000 years in the past - on the top of the final Ice Age - saber-toothed tigers, monstrous floor sloths, camels, hippos and the good herds of proboscideans: large mastodons and mammoths, extinct relations of the elephant, roamed the land the place skyscrapers now stand. Why are those best creatures now not with us?

Extra resources for Amphibian Evolution: The Life of Early Land Vertebrates

Example text

12). Despite their possession of amniote features, anthracosaurs appear to have been predominantly aquatic throughout their lives. Most species had well-established lateral line grooves on their skull bones and elongated skeletons with proportionally small limbs and very long swimming tails (Panchen 1970). Their elongated and narrow snouts bear large labyrinthodont teeth – this is why anthracosaurs were originally united with temnospondyls and other groups as labyrinthodonts (Romer 1947), which is today considered a polyphyletic assemblage.

There are several different elements referred to as “ribs” in bony fishes, but tetrapods retain only one type (Janvier 1996). The tetrapod ribs are part of the endoskeleton and develop within the horizontal septum, a sheet that divides muscle portions of the trunk. Ribs were short in the fish-like ancestors of tetrapods but elongated and strengthened in land vertebrates, where they originally had two heads articulating with both the vertebral centrum and the neural arch. In amniotes, the ribs are substantially longer than in lissamphibians, markedly curved, and ventrally attach to an unpaired cartilaginous or ossified ­element (sternum).

The Viséan Whatcheeria is known from a single locality in Iowa, USA, which has produced hundreds of skeletons (Lombard and Bolt 1995). This genus has an elongated trunk with 30 vertebrae and a longstemmed interclavicle, two features ­resembling the condition of stem-amniotes. Other plesiomorphic traits are the two-headed ilium and the retention of the intertemporal in the skull table. The ribs are moderately long with pronounced uncinate processes. The Tournaisian Pederpes is based on a single find from Scotland (Clack and Finney 2005).

Download PDF sample

Amphibian Evolution: The Life of Early Land Vertebrates by Rainer R. Schoch

by Brian

Rated 5.00 of 5 – based on 24 votes