Flashcards
PERIODS OF PALEOZOIC.
Cards in this deck (6)
- 1Cambrian:First shellfish, primitive fish, trilobites, corals and mollusks were dominant in the oceans, as well as algae.
- 2Ordovician:First land plants and initial fish appeared. Corals and Nautiloids also inhabited oceans.
- 3Silurian:First insects emerged and more plants were on land.
- 4Devonian:The fish period, the first sharks appeared, as well as bony fish. Amphibians and spiders and the first terrestrial forests started colonizing land
- 5Carboniferous:The first reptiles and insects with wings appeared on land.
- 6Permian:Diverse animal and plant life appeared, reptiles diversified. Then there was a mass extinction.
