Ankylosaurs

Ankylosaurs - Ankylosaurs- Mesozoic Tanks Chapter 7...

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www.futura-sciences.com/uploads/tx_oxcsfutura/img/ankylosaurus.jpg Ankylosaurs Ankylosaurs- Mesozoic Tanks Chapter 7
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Ankylosaur relationships Ornithischians Genosaurs Thyreophorans Eurypodan Fig. II.3
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General: Known from as early as Middle Jurassic (~170 million years ago) Abundant in Late Jurassic, very diverse in Late Cretaceous Have a global distribution Fossil evidence suggests that they evolved in Europe and spread from there Fig. 7.3 There were two main groups, the nodosaurids and ankylosaurids- we will discuss them later
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General: Known for their large, armored bodies, quadrupedal posture, some had tail clubs Typically medium sized at about 5 meters in length (~ 15 feet), but few reached 9 meters (30 feet) http:// www.cartage.org.lb/en/themes/sciences/Paleontology/Paleozoology/Mesozoic/1Sauropelta.jpg
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Diet Ankylosaurs were herbivores based on various characters: Large abdomen for gut Toothless snout with horny covering (ramphotheca) Simple triangular teeth Modified from Carpenter (1997) A nodosaurid, Nodosaurus An ankylosaurid, Pinacosaurus Fig. 7.4
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How was food processed? Plants were cropped off using the
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This note was uploaded on 04/22/2008 for the course GEOL 111 taught by Professor Getty during the Fall '07 term at UConn.

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Ankylosaurs - Ankylosaurs- Mesozoic Tanks Chapter 7...

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