Lecture 11, Vert Life 0.0 / 5 ? BiologyMammal revolutionUniversityNone Created by: Elysia_DaviesCreated on: 12-12-16 16:33 Origin of mammals Paleozoic 1 of 23 first radiation of mammals Pelycosaurs - dimentrodon 2 of 23 2nd radiation of mammals therapsids- cynodonts 3 of 23 mammalian characters hair, lactation, 3 middle ear bones 4 of 23 tachyglossidae echidnas 5 of 23 ornithorhynchidae platypus 6 of 23 prototheria characters oviparity, sense electromagnetic signals, cloaca, sprawling gait 7 of 23 Metatheria characters highly altricial young, short gestation, low birth weight 8 of 23 deidelphimorpha opossums 9 of 23 Paucituberculata shrew and rat opposums 10 of 23 microbiotheria monito del monte 11 of 23 Dasyuromorpha Australian carnivores 12 of 23 peramelemorphia bandicoots and bilbies 13 of 23 notoryctemorphia marsupial moles 14 of 23 diprotodonta kangaroos etc. 15 of 23 afrotheria elephants, manatees, hyraxes 16 of 23 Euarchontoglires rodents, primates, flying lemurs, 17 of 23 Laurasiatheria shrews, artiodactylar, carnivora, parissodactylar 18 of 23 Xenarthra armadillos, sloths, anteaters 19 of 23 bats and flying lemurs visual system, membranous connection between limbs, digit locking system 20 of 23 bats and primates visual system (megabats) 21 of 23 primates and treeshrews postorbitial bar, inner ear 22 of 23 primates and flying lemurs plesioadapiforms 23 of 23
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