HERPTILES

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HERPTILES
Amphibians Reptiles
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HERPTILES
Mammals
Birds Reptiles Amphibians Fish
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AMNIOTES
Mammals
Birds Reptiles Amphibians Fish
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AMNIOTE EGG
shell
albumen
yolk
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EMBRYO IN AMNIOTE EGG
allantois
amnion
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HERPTILES AMNIOTES
Mammals
Birds Reptiles Amphibians Fish
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AMNIOTE SKULL
eye
nostril
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AMNIOTE SKULLS
ANAPSID SYNAPSID DIAPSID
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AMNIOTE SKULLS
ANAPSID SYNAPSID DIAPSID
Some Most
Reptiles
Reptiles Mammals
Birds
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HERPS ARE 2 GRADES
Amphibians Any tetrapod without amniote
egg Reptiles Any amniote that is not a
mammal or bird
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AMPHIBIANS
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INVADING LAND
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INVADING LANDTO GET WATER
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INVADING LANDTO GET FOOD
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INVADING LANDTO AVOIDPREDATORS
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EARLY AMPHIBIANS LOOK AQUATIC
FINNED TAIL
DIGITS
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EARLY AMPHIBIANS SWITCHED TO REAR WHEEL DRIVE
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AMPHIBIANS 4 ORDERS
SIRENS   aquatic CAECILIANS
burrowers FROGS  jumpers SALAMANDERS
walkers
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AMPHIBIANS (1) SIRENS
3 species in N. America
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AMPHIBIANS (2) CAECILIANS
Rings annuli
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AMPHIBIANS (3) FROGS
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Toads are not a clade
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AMPHIBIANS (4) SALAMANDERS
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Newts are a clade of aquatic salamanders
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REPTILES
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REPTILES 4 ORDERS
1) TURTLES   2) TUATARA 3) SNAKES
LIZARDS  4) CROCODILES
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1) TURTLES
Leatherback
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2) TUATARA
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3) SNAKES LIZARDS
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MORE ON DIAPSID SKULLS
TUATARA SNAKES LIZARDS  CROCODILES PTEROSA
URS DINOSAURS BIRDS
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ARCHOSAURS
  CROCODILES PTEROSAURS DINOSAURS BIRDS
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4) CROCODILES
Estuarine Crocodile
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What is going to bite me?
Alligator
Crocodile
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What bit me?
Alligator
Crocodile