The sweetest thing in all my life has been the longing ...
to find the place where all the beauty came from.
- C. S. Lewis
Devonian
"Age of Fishes"
Placoderms
Ray-finned fishes
Sharks
lungfishes
lobe-finned fishes
leads to land vertebratesPlants
Coelocanth story
Insects
Amphibians
Carboniferous
In Oceans
Ammonites get more intricateOn Land
Crinoids
Fusilinids (single-celled)
Coals Swamps, InsectsThe Great Mass Extinction
Glossopteris Insects
Amphibians (Ichthyostega) Reptiles
amniote egg
Acadian Orogeny
Ouachita Orogeny
Antler Orogeny
Useful links:
Earth Science Picture of the Day
Return to Historical Geology syllabus