Synapsids%20%20%20%20Anapsids%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20Diapsids

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Synapsids Anapsids
Diapsids
Lepidosaurs Archosaurs
Fig 12-3
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Extinct Lepidosaurs
Plesiosaurs
Ichthyosaurs
Mosasaurs
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Living Lepidosaurs - Sphenodontids - the
tuatara of New Zealand
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Living Lepidosaurs Squamates Lizards, snakes
and amphisbaenians Fig 13-1
Iguanas, chameleons, agamids
Skinks, alligator lizards, Snakes,
amphisbaenians, Varanids, gila monsters, geckos
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Lizard Locomotion
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Lizard Feeding
See this site http//jan.ucc.nau.edu/kiisa/liza
rdmovies.html
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Lizard foraging mode and ecological/morphological
traits Table 13.5
Horned lizard
Whiptail
Widely foraging Mitochondria, etc
Sit and wait Mitochondria, etc
Where would Gila monsters fit?
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• A sit and wait predatory lizard would likely be
  territorial/nonterritorial,
• And would have more/less mitochondria than a
  wide-ranging lizard.
• Gila monsters cool their body through evaporative
  cooling from what structure?
• What is the function of the left-to right shunt
  in a turtle?
• How does a turtle cause blood to shift from left
  to right?
• Nest predation in painted turtles was related to
  rainfall. When there was lots of
• Rain, nest predation was higher/lower, presumably
  because _____________
• ___________________

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Challenges of tubular body - getting enough food
down a small mouth
2 Solutions
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Subduing large prey when you have no limbs
Opisthoglyphous
Proteroglyphous
Solenoglyphous
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Lizard reproduction
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