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Dimetrodon
Click here for more Dimetrodon Pictures
| Scientific Classification |
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Dimetrodon is probably the best-known of the
mammal-like reptiles. It was a predator that
lived in the Permian period between about
280 million and 265 million years ago.
Dimetrodon is believed to have been the largest predator
in its habitat. Adults were up to 11 feet (3.5 meters)
in length. It had four sprawling legs, and a large
tail, and probably walked in a similar manner to lizards.
It most noteable feature however is the large sail
on its back.
Dimetrodon's sail was filled with blood vessels and
is believed to have mainly served to help in
regulating body temperature. By facing the sail
towards the sun, Dimetrodon could heat itself
up quickly, and it could also use the sail to cool itself
if it became too hot. Additionally, the sail
may have served a number of secondary purposes such
as attracting mates, or helping to deter other
predators (by making the animal appear larger
than it was).
The name Dimetrodon means "two measures of teeth",
and was chosen in 1878 by
Edward D. Cope.
This name reflects the fact that the animal's skull contains two
different types of teeth (unlike reptiles which normally only
contain a single type of teeth) - namely
sharp canine teeth, and shearing teeth.
Fossils
of Dimetrodon have so been found in
North America and
Europe.
As well as
fossils of the animal
itself,
fossilized Dimetrodon
footprints have also been found.
Dimetrodon was a carnivorous (meat-eating) mammal-like reptile that lived between 280 and 265 million years ago
Related Information & Resources
See Also
Dimetrodon Pictures and Posters
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Here are some Dimetrodon pictures and posters:
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Dimetrodon Books
Here are some books from Amazon.com:
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By Tamara Green
Gareth Stevens Pub
Library Binding (24 pages)
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Describes the physical characteristics and habits of this prehistoric sail-backed reptile. |
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By Dale Down
Athena Press
Paperback (48 pages)
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Join Dennis and all his dinosaur friends in their adventures in the park. When Dennis learns how to play with a skipping rope he gets much more than he bargained for and even makes a new friend in a very unusual place. . . |
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By Abrams
Harry N. Abrams
Board book (12 pages)
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Now children can keep their favorite animals, bugs, and other creatures as pets-and hold dinosaurs or the sun and moon in their hands! These irresistible little board books are small enough to fit in a tiny fist or the pocket of a backpack. Printed on sturdy boards with brief text in large bold type, Portables are great for bedtime reading or playtime. Young children will want to collect the entire series! So innovative they have been patented! Tyrannosaurus rex-the most fearsome of all dinosaurs-and Dimetrodon are two new dinos that stand up on their own! These books provide interesting facts about the ancient beasts and are ready for hours of playtime. Both dinosaur books have been vetted by the American Museum of Natural History, New York. 12 panels illustrated in full color, approximately 51/2 x 51/2" |
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By Ermine Cowles, 1871-1953., . Case
University of California Libraries
Paperback (504 pages)
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This book was digitized and reprinted from the collections of the University of California Libraries. Together, the more than one hundred UC Libraries comprise the largest university research library in the world, with over thirty-five million volumes in their holdings. This book and hundreds of thousands of others can be found online in the HathiTrust Digital Library.HP's patented BookPrep technology was used to clean artifacts resulting from use and digitization, improving your reading experience. |
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By Källa: Wikipedia
Books LLC, Wiki Series
Paperback (30 pages)
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Källa: Wikipedia. Sidor: 29. Kapitlen: Dinosaurier, Megalodon, Ichthyostega, Mosasaurier, Synapsida, Acanthostega, Aetosauria, Megalania, Dimetrodon, Havsskorpioner, Hyracotherium, Trilobiter, Dicynodonter, Belemniter, Pterodactylus, Desmatosuchus, Pteranodon, Megatherium, Therapsider, Paleothyris, Gorgonopsia, Darwinopterus, Tiktaalik roseae, Konodont, Jättesländor, Plesiosaurier, Flygödlor, Graptoliter, Fisködlor, Titanoboa, Eryops, Plesiosaurus, Pedopenna, Edaphosaurus, Kaprosuchus saharicus, Deinosuchus, Postosuchus, Platecarpus, Pelycosaur, Ceresiosaurus, Rugosa koraller, Stäppbison, Armadillosuchus arrudai, Lystrosaurus, Ammoniter, Petrolacosaurus, Ornithocheirus, Glyptodonter, Cynognathus, Placerias, Labidosaurus, Ortoceratiter, Effigia, Millerosaurus, Helcionelloida, Ichtyosaurus, Phytosauria, Odontochelys semitestacea, Eocaptorhinus, Parahippus, Cotylorhynchus, Tabulater, Opipeuterella, Allodaposuchus, Lariosaurus, Dinogorgon, Rostroconchia, Cynodontia, Endocerida, Parakonodont, Ventastega curonica, Orthocerida. Utdrag: Dinosaurier (skräcködlor) är en stor grupp utdöda reptiler som tillhör gruppen arkosaurier (härskarreptiler). Dinosaurierna levde under mesozoikum, den era som omfattar de geologiska perioderna trias, jura och krita. De tidigaste dinosaurierna utvecklades för ungefär 230 miljoner år sedan och dinosaurierna dog ut i samband med den omfattande massdöd som inträffade för cirka 65 miljoner år sedan. Det är i dag accepterat att dinosaurierna var föregångare till moderna fåglar, vilket innebär att fåglarna i en viss mening är överlevande dinosaurier. Dinosauria är således en parafyletisk grupp. Namnet Dinosauria användes fösta gången 1842 av Sir Richard Owen för att beskriva olika typer av stora ödlor. Ordet kommer från de grekiska orden δεινός (deinos, fruktansvärd, kraftfull eller underbara) och σαῦρος (sauros, ödla eller reptil). Systematiskt tillhörde dinosaurierna en reptilgrupp som kallas arkosaurier (härskarreptiler). Små reptiler beslä... |
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By Bron: Wikipedia
Books LLC, Wiki Series
Paperback (28 pages)
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Bron: Wikipedia. Pagina's: 27. Hoofdstukken: Dimetrodon, Gorgonopsia, Ctenorhachis, Inostrancevia, Zechstein, Perm-Trias-massa-extinctie, Viatkogorgon, Dicynodontia, Rotliegend, Moschops, Sphenacodon, Wuchiapingien, Pelycosauria, Beaufort Group, Mesosaurus, Eryops, Dinocephalia, Titanosuchus, Procynosuchidae, Dinogorgon, Diictodon, Sphenacodontidae, Kungurien, Sakmarien, Moschorhinus, Procynosuchus, Diplocaulus, Roadien, Estemmenosuchus, Lycaenops, Eodicynodon, Edaphosaurus, Hovasaurus, Wordien, Edaphosauridae, Guadalupien, Lopingien, Varanopseidae, Euchambersia, Pareiasaurus, Steppesaurus, Ophiacodon, Zechsteinzee, Thadeosaurus, Varanosaurus, Dvinia, Ophiacodontidae, Pristerognathus, Parathrinaxodon. Uittreksel: Dimetrodon is een geslacht van uitgestorven reptielen die behoren tot de Synapsiden of zoogdierachtige reptielen (Synapsida). Dimetrodon behoorde tot de orde Pelycosauria en de familie Sphenacodontidae. Alle soorten waren carnivore landbewoners die leefden in het Vroeg-Perm (290 tot 270 miljoen jaar geleden). Fossielen zijn bekend uit de Verenigde Staten en Duitsland. Door klimaatverandering veranderde de leefomgeving van Dimetrodon dusdanig dat de soort uitstierf. Er zijn verschillende Dimetrodon beschreven, die een vergelijkbare lichaamsbouw hebben. Dimetrodon werd ongeveer twee tot drie meter lang en had een gedrongen, hagedisachtig lichaam met kleine poten. Een karakteristiek kenmerk van Dimetrodon was het grote, opstaande rugzeil, dat bestond uit huid en versterkt was met lange, ribachtige uitsteeksels van de wervelkolom. De wetenschappelijke naam Dimetrodon slaat op de tanden van de dieren en is Grieks voor twee (di) maten tanden (metrodon). Dimetrodon was één van de grootste landdieren en de apexpredator van zijn tijd. Waarschijnlijk werden vrijwel alle dieren die Dimetrodon te pakken kon krijgen gegeten, waaronder zoetwaterhaaien, amfibieën, reptielen en andere amnioten. Het amfibie Eryops en de zoetwaterhaai Xenacanthus waren een zekere prooi. ... |
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By Istochnik: Wikipedia
Books LLC, Wiki Series
Paperback (62 pages)
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Istochnik: Wikipedia. Stranitsy: 60. Glavy: Terapsidy, Kazyeidy, Terotsefaly, Mammalizatsiya teriodontov, Dimetrodon, Tsinodonty, Kannemyeĭeridy, Inostrantseviya, Varanopsyeidy, Tapinotsefaly, Gorgonopsy, Dyeĭnotsefaly, Ropalodonty, Edafozavry, Ofiakodonty, Siodony, Doliozavrisk, Biarmozukh, Ditsinodonty, Estemmenozukh, Burnetiidy, Sfenakodonty, Ftinozukh, Titanofonyeus, Ivantozavr, Dyeĭterozavr, Steppezavr, Pelikozavry, Zavrokton, Rubidzhyeya, Venyukovii, Estemmenozukhi, Platserias, Megavaĭt·siya, Moskhops, Batignat, Raranimus, Ulemozavr, Antyeozavry, Oligokifus, Ulemika, Endotiodon, Khaptodusy, Euchambersiya, Sinofonyeus, Eritsiolatserta, Eotitanozukh, Litsenops, Listrozavry, Proburnetiya, Tetratseratops, Kamagorgon, Anomodonty, Nikkazavr, Moskhovaĭt·siya, Klelandina, Eotiridy, Stirakotsefal, Kingoriya, Nyaftazukh, Vyatkogorgon, Porostyeognat, Zukhogorgon, Annaterapsid, Shtalekeriya, Dzhonkeriya, Teriognat, Moskhorin, Diiktodon, Mikrouraniya, Avstralobarbar, Pravoslavleviya, Burnetiamorfy, Tsionozavr, Stsilakozukh, Dinogorgon, Avlakotsefalodon, Stenotsibus, Elurognat, Kistetsefal, Kannemyeĭeriya, Titanozukhi, Pristerognat, Sekodontozavr, Xenocretosuchus, Arktognat, Listrozavridy, Arktops, Dviniya, Teriodonty, Stsilakozavr, Elefantozavr, Stahleckeriidae. Vyderzhka: Kazyeidy (lat. ) - rastitelʹnoyadnye pelikozavry, sushchestvovavshie v techenie vsego permskogo perioda. Poyavilisʹ v kontse rannepermskoĭ epokhi, dozhili do serediny permi. «Parusa» net, telo massivnoe, konechnosti obychno korotkie i tolstye, khvost otnositelʹno dlinnyĭ. Golova nebolʹshaya, u pozdnikh krupnykh vidov - ochenʹ malenʹkaya. Zuby odnoobraznye, vydelyayut·sya lishʹ krupnye konusovidnye reztsy; koronki lopatoobraznye zazubrennye (kak u paryeĭazavrov). Okklyuzii zubov net, zhivotnoe moglo tolʹko otryvatʹ kuski pishchi i proglatyvatʹ yee. Razvity ostrye mnogochislennye nebnye zuby. Krupnoe visochnoe otverstie cherepa, ogromnye nozdri (nozdrya byla v znachitelʹnoĭ stepeni perekryta ... |
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By Rupert Oliver
Rourke Enterprises
Hardcover
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By Elizabeth J. Sandell
Bancroft Sage Pub
Paperback (32 pages)
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A description of a reconstructed Dimetrodon skeleton introduces scientific speculation about how the sail-backed dinosaur looked and behaved. |
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By E.C. Case
Philadelphia: American Philosophical Society, 1905. First edition
Paperback
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