books creatures that appeared during the paleogene
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# Paleogene plants
# Paleogene events
# Paleogene animals
# Paleogene geology
# Paleogene reptiles in Africa
# Paleogene animals in Africa
# Dinosaurs of the Paleogene era
# Paleogene birds
# Paleogene-like crocodiles
# Paleogene sharks
# Paleogene mammals
# Creatures that appeared during the Campani
# Creatures that appeared during the Karni
# Creatures that appeared during the Cambrian
# Creatures that appeared during the Ediacaran
# Creatures that appeared during the cryogenesis
# Creatures that appeared during the Devonian
# Creatures that appeared during winlock
# Surviving creatures appeared during
# Creatures that appeared during the Ordovician
