28 feb 444000000 año aC - Silurian Period
Descripción:
Much of the landmass that would become western North America was under a shallow ocean for much of the Silurian Period. These shallow waters enabled sunlight to penetrate, and marine animals underwent rapid differentiation.Añadido al timeline:
fecha:
28 feb 444000000 año aC
Ahora mismo
~ 5883516 years ago