↑27♥31C1
Species: tiktaalik
Tiktaalik is an extinct genus of lobe-finned_fish that lived during the Late Devonian Period, about 375 million years ago.
It has a combination of features that show the evolutionary transition between swimming fish and their descendants, the four-legged vertebrates – a clade which includes amphibians, reptiles, birds and mammals.
This tag implicates lobe-finned_fish, prehistoric_species (learn more).
Posts (view all)
↑9♥7C1
↑13♥3C0
↑7♥4C0