Geological Chronology of Life - Transcription
Text version of image on [page 2]
Column Key--Using First Letter ----------------------------------------
Invertebrates. Vertebrates. Plants.
-------------- ------------- ---------
Protozoa Ganoid Fishes Algae
Corals, etc. Telios Fishes Land Cryptogs
Echinoids Batrachians Phænogams
Worms Reptiles
Mollusks Dinosaurs
Arthropods Birds
Insects Marsupials
Land Snails Placentals
Humans
Geological Invertebrates. Vertebrates. Plants.
Systems or
Periods. P C E W M A I L G T B R D B M P H A L P
+------------------------------------------+
Kainozoic. | | | | | | | | | | | | | | | | | | | ||
{ Cretaceous ...| | | | | | | | | | | | | | | | | | ||
{ |-|-|-|-|-|-|-|-|--|-|-|-|-|-|-|------|-|--|
{ Jurassic ...| | | | | | | | | | | | | | | | | |
{ |-|-|-|-|-|-|-|-|--|---|-|-|---|------|-|--|
{ Triassic ...| | | | | | | | | | | | | | | | |
|-|-|-|-|-|-|-|-|--|---|-|------------|-|--|
Palaeozoic. | | | | | | | | | | | | | | |
{ Permian ...| | | | | | | | | | | | | | |
{ |-|-|-|-|-|-|-|-|--|---|--------------|-|--|
{ Carboniferous ...| | | | | | | | | | | | | |
{ |-|-|-|-|-|-|-|-|--|------------------|-|--|
{ Devonian ...| | | | | | | | | | | |
{ |-|-|-|-|-|-|-|----|------------------|-|--|
{ Silurian ...| | | | | | | | | | | |
{ |-|-|-|-|-|-|-------------------------|-|--|
{ Ordovician ...| | | | | | | | | |
{ |-|-|-|-|-|-|-------------------------|----|
{ Cambrian ...| | | | | | | | |
{ |-|-|-|-|-|-|-------------------------|----|
{ Etcheminian ...| | | | | | | |
|-|-|-|-|-----------------------------|----|
Eozoic. | | | | | |
{ Huronian ...| | . |
{ |-|----------------------------------------|
{ Laurentian. | | |
{ Grenvillian ...| | |
{ |------------------------------------------|
{ Archaean ...| |
| |
+------------------------------------------+