Povijest Zemlje
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Poveznice:
About.com Dinosaurs
Devonian Times
Dinologija
Fossils-facts-and-finds.com
G-100,
Introductory Geology
Geološko-paleontološki zavod
Hrvatski prirodoslovni muzej
International Commission on Stratigraphy
, 2012
Jeolojik Devirler
JURASSIC LAND
Kentucky Geological Survey
Mike Taylor-Home Page
Naturhistorisches Museum Wien
PALEOMAP Project
Paleobotany website
Smithsonian
National Museum of Natural History
Wikia
Wikimedia commons
Wikipedia
World History Timeline
