The period is named after Devon, a county in southwestern England, where a controversial argument in the 1830s over the age and structure of the rocks found throughout the county was resolved by …

Jan 29, 2026 · Devonian Period, in geologic time, an interval of the Paleozoic Era that follows the Silurian Period and precedes the Carboniferous Period, spanning between about 419.2 million and …

Feb 22, 2014 · It was the fourth period of the Paleozoic Era. It was preceded by the Silurian Period and followed by the Carboniferous Period. It is often known as the "Age of Fishes," although significant...

Oct 29, 2012 · The Devonian saw major evolutionary advancements by fishes with diversification and dominance in both marine and fresh water environments—the Devonian is also known as the “Age of …

During the Devonian, two major animal groups colonized the land. The first tetrapods land-living vertebrates appeared during the Devonian, as did the first terrestrial arthropods, including wingless …

Red-colored sediments, generated when North America collided with Europe, give the Devonian its name, as these distinguishing rocks were first studied in Devon, England. The Devonian, part of...

Apr 28, 2023 · The oldest fossils of insects and spiders date to this time. Early tetrapods, ancestors of land-dwelling vertebrates, first appeared during the Devonian. The Devonian ended with a mass …

The Devonian period is the fourth of 6 periods making up the Paleozoic era within the Phanerozoic eon, which includes the present time. The Devonian period lies between the Silurian and the …

The name "Devonian" is derived from Devon, England, where rocks from this period were first actively studied. The period was first established by Adam Sedgwick and Roderick Murchison, British …

Oct 20, 2022 · The Devonian Period is the fourth period of the Paleozoic Era. This period started about 419 million years ago and ended 358.9 million years ago. The Devonian Period is also sometimes …