what animals were first on land
Archaebacteria were the first animals to live on earth before any other organism. Archaebacteria have to be able live where there's no oxygen because there was no oxygen when they first appeared.juryrocket Â· 5 years ago.ttp://www.fossilmall.com/Cambrian_Shado... http://www.crystalinks.com/oldestanimal.... The first vertebrates on land were Ichthyostega and Acanthostega, early tetrapods that were ancestral to the amphibians.