GEL 107 (13) - GEL107 PALEOBIOLOGY How can we interpret function in fossils What can we say about the vision in trilobites What can we say about the

1 GEL107: PALEOBIOLOGY Lecture 14: Functional Morphology Ⅱ What can we say abut the evolution of large crusing vertebrates? What can we say about the jaw mechanism in fossil vertebrates? What can we say about the flight function of pterosaurs? How can we interpret function in fossils? What can we say about the vision in trilobites? Interpreting the function of fossils 1. Comparison with modern analogs Phylogenetic vs. functional analog Dinosauria Pterosauria Crocodilia Archosauria Evolution of Flight Diapsida Anapsida Reptilia Lepidosauria Amniota Tetrapoda Synapsida Amphibia Pterosauria Archosauria Tetrapoda Synapsida Dinosauria Phylogenetic analog Functional analog Bird Pterosaur pectoralis pectoralis supracoracoideus supracoracoideus deltoideus Flight muscle comparison

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GEL 107 (13) - GEL107 PALEOBIOLOGY How can we interpret...