A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas by Eaton et al.
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"A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas" by Theodore H. Eaton, Jr., and Peggy Lou Stewart is a scientific publication that was written in the late 20th century. This book discusses a newly identified amphibian species, "Hesperoherpeton garnettense", that provides insights into the evolutionary transition from fishlike ancestors to more terrestrial forms of amphibians during the Pennsylvanian epoch. The work is a detailed examination of the skeletal features
of the newly discovered specimen and its implications for our understanding of amphibian evolution. The publication presents a thorough analysis of the anatomy of "Hesperoherpeton", including its skull, vertebrae, limbs, and pectoral girdle. Through comparative studies with earlier amphibian and fish species, the authors illustrate how this specimen possesses characteristics from both rhipidistian fishes and early amphibians, suggesting a complex evolutionary lineage. Key features discussed include the presence of short digits, a unique pectoral girdle structure, and large orbits that correlate with its small size. The authors conclude that "Hesperoherpeton" was a lagoon-dwelling creature that likely inhabited shallow, weedy waters, using its paddle-like limbs for stability and possibly swimming rather than effective locomotion on land. The findings contribute significantly to the understanding of amphibian origins and their adaptations during the transition from aquatic to terrestrial life. (This is an automatically generated summary.)
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About this eBook
| Author | Eaton, Theodore H. (Theodore Hildreth), 1907-1981 |
|---|---|
| Author | Stewart, Peggy Lou |
| Title | A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas |
| Credits |
Produced by Chris Curnow, Joseph Cooper, Diane Monico, and the Online Distributed Proofreading Team at www.pgdp.net |
| Reading Level | Reading ease score: 56.0 (10th to 12th grade). Somewhat difficult to read. |
| Language | English |
| LoC Class | QH: Science: Natural history |
| Subject | Amphibians, Fossil |
| Subject | Paleontology -- Pennsylvanian |
| Category | Text |
| eBook-No. | 31050 |
| ISBN (HTML) | 979-8-238-31050-3 |
| Release Date | Jan 23, 2010 |
| Last Update | Jan 6, 2021 |
| Copyright | Public domain in the USA. |
| Downloads | 543 downloads in the last 30 days. |
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