LIFE OF THE PALEOZOIC

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CHAPTER 10
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LIFE OF THE PALEOZOIC
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THE CAMBRIAN EXPLOSION OF LIFE

• SHELLED ANIMALS

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SMALL SHELLY FOSSILS
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THE BURGESS SHALE FAUNA
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BURGESS SHALE FAUNA
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PIKAIA
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ANOMALOCARIS
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OPABINIA
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MARRELLA
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HALLUCIGENIA
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UNICELLULAR ANIMALS
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RADIOLARIA
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CUP ANIMALS
ARCHAEOCYATHIDS
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PORIFERA (SPONGES)
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CNIDARIA
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DEVONIAN RUGOSE CORALS
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BRYOZOA
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BRACHIOPODS
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INARTICULATE
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ARTICULATE
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MOLLUSKS
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AMPHINEURA
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MONOPLACOPHORA
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PELECYPODA
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CEPHALOPODA
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ARTHROPODS
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TRILOBITES
CAMBRIAN
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CAMBRIAN
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ORDOVICIAN
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SILURIAN
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OSTRACODS
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EURYPTERIDS
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ECHINODERMS
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ASTEROIDEA
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CRINOID
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GRAPTOLITES
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CONODONTS
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THE RISE OF FISHES
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CHORDATES
BRANCHIOSTOMA
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AGNATHA
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OSTRACODERMS
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ACANTHODIANS
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BONY FISH
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DEVONIAN LUNGFISH
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AMPHIBIAN
FISH
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FISH
FISH
AMPHIBIAN
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MODERN COELACANTH
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AMPHIBIANS
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ICHTHYOSTEGA
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REPTILES

• LIMBS
• LUNG
• SKIN
• AMNIOTIC EGG
• MORE ABOUT REPTILES IN THE MESOZOIC

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EARLY PLANTS OF THE PALEOZOIC

• CHLOROPHYTES
• GREEN ALGAE (ORDOVICIAN)
• NON-VASCULAR PLANTS
• COOKSONIA
• AGLAOPHYTON
• VASCULAR LAND PLANTS
• RHYNIA (MIDDLE DEVONIAN)

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VASCULAR PLANT
COOKSONIA
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NON-VASCULAR PLANT
AGLAOPHYTON
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LATE PALEOZOIC FORESTS

• LYCOPSIDS
• LEPIDODENDRON
• SPHENOPSIDS
• CALAMITES
• TRUE FERNS
• SEED FERNS
• GLOSSOPTERIS
• CORDATIES

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SPHENOPSID
CALAMITES
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TRUE FERN
PECOPTERIS
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CORDAITES
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MASS EXTINCTIONS