Unformatted text preview: -Calamite-amphibians-ferns (seed fern)-Lepidodendron *no trees Mesozoic (250-70) Gastropods Nautiloids Clam-like shells Ammonites Sea urchins Bivalves replaced corals as main reef builders Increase in marine invertebrates Epi-contenintal sea changes? *increased mobility *predators *bivalves, brachiopods go largely extinct *increase in marine invertebrates -dinosaurs (teeth, claws, etc)-pine needles -ferns-gymnosperm-explosion of animals (dinos!!)-predators Cenozoic (65-.011 Ma) Crabs Gastropods (reef building) *increase in complexity -Fossilized Wood-Mammoth tooth-many leaves *mammals!!! * mammoth = cold weather **Table completed with Kaelen**...
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- Spring '09
- Ordovician, Crinoids Gastropods Brachiopods, brachiopods *first shell, Inarticulate brachiopods Blind, Ocean amalgamations