The Age of Ancient Life Of the three main eras that make up the Phanerozoic, the Paleozoic is the longest and most diverse, spanning the period from very early multicellular life that only inhabited the oceans to quite advanced tetrapods* and reptiles and extensive forests on land.

541 (+/- 1) million years ago – 0 million years ago

List of geological eras in Earth’s history

An era in geology is a time of several hundred million years. It describes a long series of rock strata which geologists decide should be given a name. An example is the Mesozoic era, when dinosaurs lived on the Earth. An era is made up of periods, and several eras make up an eon.

Quaternary Period

Some common synonyms of era are age, epoch, and period. While all these words mean “a division of time,” era suggests a period of history marked by a new or distinct order of things.

ERA Full Form

Use “era” in a sentence | “era” sentence examples

1. The room had the elegance of a bygone era.
2. The era was characterized by political and cultural turbulence.
3. In the mass production era multinational firms tended to centralize their operations.
4. They had worked for peace during the long era of conflict.

Eon, Long span of geologic time. In formal usage, eons are the longest portions of geologic time (eras are the second-longest). Less formally, eon often refers to a span of one billion years.

Currently, we’re in the Phanerozoic eon, Cenozoic era, Quaternary period, Holocene epoch and (as mentioned) the Meghalayan age. The Greenlandian, the oldest age of the Holocene (also known as the “lower Holocene”), began 11,700 years ago, as the Earth left the last ice age.

The 2020s (pronounced “twenty-twenties”, shortened to “the ’20s”) is the current decade of the Gregorian calendar that began on 1 January 2020, and will end on 31 December 2029.

According to the International Union of Geological Sciences (IUGS), the professional organization in charge of defining Earth’s time scale, we are officially in the Holocene (“entirely recent”) epoch, which began 11,700 years ago after the last major ice age.

The Information Age began around the 1970s and is still going on today. It is also known as the Computer Age, Digital Age, or New Media Age. This era brought about a time period in which people could access information and knowledge easily.

The 21st Century spans 100 years. Currently, it encompasses the Information Age – an era marked by rapid adoption of new technologies.

The present year, 2021, can be transformed into a Holocene year by adding the digit “1” before it, making it 12,021 HE. Years BC/BCE are converted by subtracting the BC/BCE year number from 10,001. Beginning of the Meghalayan age, the current and latest of the three stages in the Holocene era.

The Stone Age, whose origin coincides with the discovery of the oldest known stone tools, which have been dated to some 3.3 million years ago, is usually divided into three separate periods—Paleolithic Period, Mesolithic Period, and Neolithic Period—based on the degree of sophistication in the fashioning and use of …

The Stone Age lasted from 30,000 BCE to about 3,000 BCE and is named after the main technological tool developed at that time: stone. It ended with the advent of the Bronze Age and Iron Age .

During the Neolithic period (4000BC and 2500BC), Stone Age houses were rectangular and constructed from timber. None of these houses remain but we can see the foundations. Some houses used wattle (woven wood) and daub (mud and straw) for the walls and had thatched roofs.