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Panderichthys and Acanthostega. 349, Issue 6254,., DOI:.1126/science. "The evolution of human skin and skin color". Org (January 23, 2007). Pbs.org/video/ / Nina, Jablonski (2004). 7 Separation from the Porifera ( sponges ) lineage. Archaic representatives of this stage are flatworms, the simplest animals with organs that form from three germ layers. 3.6 Ma A member of the Australopithecus afarensis left human-like footprints on volcanic ash in Laetoli, Kenya (Northern Tanzania providing strong evidence of full-time bipedalism.
However, genetic evidence from the Sima de los Huesos fossils published in 2016 seems to suggest that. Read more, large Carnivores Were Scarce but Very Diverse in Europe More Than One Million Years Ago. 365 Ma Acanthostega is an extinct amphibian, among the first animals to have recognizable limbs. The earliest mammal-like reptiles are the pelycosaurs. E.; Mulcare, Charlotte.; Itan, Yuval; Thomas, Mark.; Swallow, Dallas. Panderichthys exhibits features transitional between lobe-finned fishes and early tetrapods.