Biol 36 Chris Gillen Lecture outline 33
The major reptile lines
anapsid synapsid diapsid
anapsid
synapsid
diapsid
origin of mammals
origin of flight in birds
theories
mechanism ground up trees down ancestor theropod dinosaur crocodylomorph?
mechanism
ground up trees down
ground up
trees down
ancestor
theropod dinosaur crocodylomorph?
theropod dinosaur
crocodylomorph?
Archaeopteryx
wing structure
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