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Opabinia
| Scientific Classification |
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Opabinia is a strange extinct animal that lived during the
Cambrian period. Its fossils
were found in the Burgess Shale in the Canadian Rockies in British Columbia,
Canada.
Like its contemporary,
Anomalocaris,
Opabinia had segmented lobes on the sides of its body and a tail-fan, both
presumably used for swimming.
However, there are also important differences:
Opabina was much smaller at 1½ to 2¾ inches (4 to 7 centimeters) in
length, it had five eyes, and it had a very long hollow proboscis ending
in a claw-like structure.
Like
Anomalocaris,
there has been much debate about how to classify Obabinia, although it is thought
that the two are related.
Today Opabinia is usually considered to be a
Lobopod, a member of a group of segmented worms believed to be related to Arthropods.
Opabinia was a strange marine animal that lived during the Cambrian period
Related Information & Resources
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See Also
Opabinia Books
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By Stephen Jay Gould
Gould, Stephen Jay
Paperback (352 pages)
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"[An] extraordinary book. . . . Mr. Gould is an exceptional combination of scientist and science writer. . . . He is thus exceptionally well placed to tell these stories, and he tells them with fervor and intelligence."—James Gleick, New York Times Book Review High in the Canadian Rockies is a small limestone quarry formed 530 million years ago called the Burgess Shale. It hold the remains of an ancient sea where dozens of strange creatures lived—a forgotten corner of evolution preserved in awesome detail. In this book Stephen Jay Gould explores what the Burgess Shale tells us about evolution and the nature of history. |
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By Ronald Cohn Jesse Russell
VSD
Paperback
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High Quality Content by WIKIPEDIA articles! Opabinia is an animal genus found in Cambrian fossil deposits. Its sole species, Opabinia regalis, is known from the Middle Cambrian Burgess Shale of British Columbia, Canada. Fewer than twenty good specimens have been described; 3 specimens of Opabinia are known from the Greater Phyllopod bed, where they comprise less than 0.1% of the community.Opabinia was a soft-bodied animal of modest size, and its segmented body had lobes along the sides and a fan-shaped tail. The head shows unusual features: five eyes, a mouth under the head and facing backwards, and a proboscis that probably passed food to the mouth. Opabinia probably lived on the seafloor, using the proboscis to seek out small, soft food. This book was created using print-on-demand technology. |
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By Adam J Thaxton
Opabinia Press
Paperback (276 pages)
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Click Here | - ISBN13: 9780983225003
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Product Description:
The mysterious zobani live alongside us, invisible to our senses, seemingly harmless until they take up residence inside us, driving us to madness or worse. Fortunately, modern science has found cures for most of them, from fundamentalist ideas to bad dreams, in the form of medicines, exercises, and rituals designed to keep the worst of them at bay. However, not everyone can afford these treatments.
Enter Ten-Ghost, spiritual doctor and mandrake given life, who has sworn to use her talents to help those in her path. She takes to the wilderness, where her stolen life can not linger for long, burying herself in her work. She demands that her patients avail themselves of her services, tricking them into it one way or another. All is well, until a visit from Fate's messenger, the spirit of a forgotten summer, who gives her a message that shakes her to her core.
For Fate's messenger demands that she becomes human. |
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By Simon Conway-Morris
Oxford University Press, USA
Paperback (276 pages)
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In The Crucible of Creation, paleontologist Simon Conway Morris describes the marvelous finds of the Burgess Shale--a fantastically rich deposit of bizarre and bewildering Cambrian fossils, located in Western Canada.
Conway Morris is one of the few paleontologists ever to explore the Burgess Shale, having been involved in the dig since 1972, and thus he is an ideal guide to this amazing discovery. Indeed, he provides a complete overview of this remarkable find, ranging from an informative, basic discussion of the origins of life and animals on earth, to a colorful description of Charles Walcott's discovery of the Burgess Shale and of the painstaking scientific work that went on there (as well as in Burgess collections held at Harvard and the Smithsonian), to an account of similar fossil finds in Greenland and in China. The heart of the book is an imaginative trip in a time machine, back to the Cambrian seas, where the reader sees first-hand the remarkable diversity of life as it existed then. And perhaps most important, Conway Morris examines the lessons to be learned from the Burgess Shale, especially as they apply to modern evolutionary thinking. In particular, he critiques the ideas of Stephen Jay Gould, whose best-selling book Wonderful Life drew on Conway Morris's Burgess Shale work. The author takes a fresh look at the evidence and draws quite different conclusions from Gould on the nature of evolution.
This finely illustrated volume takes the reader to the forefront of paleontology as it provides fresh insights into the nature of evolution and of life on earth. |
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By Timothy J. Bradley
Chronicle Books
Hardcover (48 pages)
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What could be creepier than a 390 million-year-old cockroach? How about a 320 million-year-old millipede that's seven feet long! These crawlies and their many-legged cousins are featured in this follow-up to Paleo Sharks. |
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University Of Chicago Press
Paperback (312 pages)
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The scientific article has been a hallmark of the career of every important western scientist since the seventeenth century. Yet its role in the history of science has not been fully explored. Joseph E. Harmon and Alan G. Gross remedy this oversight with The Scientific Literature, a collection of writings—excerpts from scientific articles, letters, memoirs, proceedings, transactions, and magazines—that illustrates the origin of the scientific article in 1665 and its evolution over the next three and a half centuries.
Featuring articles—as well as sixty tables and illustrations, tools vital to scientific communication—that represent the broad sweep of modern science, The Scientific Literature is a historical tour through both the rhetorical strategies that scientists employ to share their discoveries and the methods that scientists use to argue claims of new knowledge. Commentaries that explain each excerpt’s scientific and historical context and analyze its communication strategy accompany each entry.
A unique anthology, The Scientific Literature will allow both the scholar and the general reader to experience first hand the development of modern science. |
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By Derek Turner
Cambridge University Press
Hardcover (240 pages)
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In the wake of the paleobiological revolution of the 1970s and 1980s, paleontologists continue to investigate far-reaching questions about how evolution works. Many of those questions have a philosophical dimension. How is macroevolution related to evolutionary changes within populations? Is evolutionary history contingent? How much can we know about the causes of evolutionary trends? How do paleontologists read the patterns in the fossil record to learn about the underlying evolutionary processes? Derek Turner explores these and other questions, introducing the reader to exciting recent work in the philosophy of paleontology and to theoretical issues including punctuated equilibria and species selection. He also critically examines some of the major accomplishments and arguments of paleontologists of the last 40 years. |
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Cambridge University Press
Hardcover (308 pages)
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One of the great enigmas of evolutionary biology has been how to treat animals of problematic systematic position. Many are known only as fossils, so this area has been of particular interest to palaeobiologists. This book represents a wide synthesis. It embraces not only general problems of animal classification of animals and new information on their molecular sequences that bear on their wider relationships, but also addresses more specific problems. These include details appraisals of both living and fossil groups. From the fossil record special emphasis is laid on examples from exceptionally preserved biotas that include the Burgess shale-type faunas of the Cambrian of south China and western North America, the Carboniferous Mazon Creek beds of Illinois, and the Jurassic Osteno beds of northern Italy. In addition, experimental studies of soft-patrt preservation in jellyfish are relevant to comparable preservation in the fossil record. |
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By J. Bergstrom
Wiley-Blackwell
Paperback (116 pages)
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