order: xenarthra families mylodontidae & pampatheriidae
DESCRIPTION
Order: Xenarthra Families Mylodontidae & Pampatheriidae. Excavating Vertebrate Fossils Jeff Good. http://users.tamuk.edu/kfjab02/pdf%20jpg%20gif%20files/paramylodon.jpg. http://www.fossil-treasures-of-florida.com/images/Holmesina.jpg. Xenarthra. Modern examples: Sloths, Anteaters, Armadillos - PowerPoint PPT PresentationTRANSCRIPT
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Order: XenarthraFamilies Mylodontidae &
Pampatheriidae
Excavating Vertebrate FossilsJeff Good
http://users.tamuk.edu/kfjab02/pdf%20jpg%20gif%20files/paramylodon.jpg http://www.fossil-treasures-of-florida.com/images/Holmesina.jpg
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Xenarthra Modern examples: Sloths, Anteaters, Armadillos “Strange Joints” Refers to extra surfaces for articulation called xenapophyses in the vertebra Unique presence of osteoderms in most members Unique dentition to shear vegetation
http://www.utep.edu/leb/Pleistnm/taxaMamm/Cingulata.htm
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Xenarthra in Mammalian Phylogeny
http://ars.els-cdn.com/content/image/1-s2.0-S0960982212008068-gr3.jpg
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Xenarthra Phylogeny
http://ars.els-cdn.com/content/image/1-s2.0-S1055790311004799-gr3.jpg
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Mylodontidae - Classification Superorder: Xenarthra
Order: Pilosa Suborder: Folivora
Family: Mylodontidae
Genera: Acremylodon, Glossotheriopsis, Glossotherium, Lestodon, Lestodontidon, Megabradys, Mylodon, Mylodonopsis, Paramylodon, Pleurolestodon, Promylodon, Ranculcus, Simomylodon, Sphenoterus, Statsdon, Thinobadistes, Urumacoterium.
http://tanystropheus.files.wordpress.com/2009/06/ground-sloths.jpg?w=510
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Genus: Paramylodon Ground Sloth Extinct 11 kya Three meters in length Roamed grasslands and woodlands of N. America Hairy body, massive jaws, massive three clawed limbs, blunt snout Lack of incisors and high crowned molars suggest herbivore Found at Millennium Site: osteoderms and teeth
http://www.fossil-treasures-of-florida.com/images/paramylodontooth2.jpghttp://farm4.static.flickr.com/3080/3487489082_b8da5c678d.jpg
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Pampatheriidae Classification Superorder: Xenarthra
Order: Cingulata
Family: Pamatheriidae
Genera: Holmesina, Kraglievichia, Machyldotherium, Pampatherium, Plaina, Scirrotherium, Vassallia
http://blog.hmns.org/wp-content/uploads/2009/03/armadillo-4x6.jpghttp://www.skullsunlimited.com/userfiles/image/category5_species_1543_large_3.jpg
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Genus: Holmesina Giant Armadillo Extinct 12 kya 2.6 meters weighing up to 200kg (440 lbs) Armored carapace much like modern Armadillos Carapace flexible with three lateral bands of scutes Powerful jaws capable of more movement = Primarily herbivore (contrary to
modern omnivorous armadillos) Found at Millennium Site: Osteoderms and Phalanx
http://www.fossil-treasures-of-florida.com/images/GiantArmadilloScutes.jpghttp://www.avph.com.br/jpg/holmesina.jpg
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Works Cited Hulbert, R. C. (Ed.). (2001). The Fossil Vertebrates of Florida. Gainesville, FL:
University Press of Florida. http://library.sandiegozoo.org/factsheets/_extinct/sloth_extinct/extinct_slo
th.htm http://en.wikipedia.org/wiki/Pampatheriidae http://en.wikipedia.org/wiki/Mylodontidae http://carnivoraforum.com/topic/9428975/1/