Reposted by Mister Skeezler
Sharks have been swimming in Earth's oceans for roughly 450 million years — which means they predate the first tree by about 65 million years, and when sharks first appeared, the only plants on land were mosses and liverworts no taller than a few centimetres share.google/WVzOCBxiSrph...
share.google
Sharks have been swimming in Earth's oceans for roughly 450 million years — which means they predate the first tree by about 65 million years, and when sharks first appeared, the only plants on land w...
According to the Natural History Museum’s timeline of shark evolution, the earliest evidence of sharks in the fossil record consists of a few tiny scales found in Late Ordovician rocks roughly 450 mil...