Cenozoic Era
Abundant and diverse fossils first appeared in the Cambrian era, although there is fossil evidence throughout much of the Precambrian.
paleozoic
Mesozoic era
The first dinosaur footprints were found in the Late Triassic Period, around 231 million years ago. The fossil discovered on Vega Island in 2009 likely belonged to a Late Cretaceous dinosaur, dating back to around 66 million years ago.
In the Mesozoic era
The Chimu era was almost 3000 years earlier to the Incas civilization many ornate sacrificial daggers were found some 700 to the Chimu era which were used by priests for human sacrifice..
Humans evolved in the Pleistocene era, which is the most recent part of the larger Cenozoic era. Modern humans first begin appearing in the fossil record approximately 200,000 years ago.
index fossil
The paleozoic era.
Abundant fossil evidence first appeared in the geologic record during the Cambrian Period, around 541 million years ago. This period is known as the "Cambrian Explosion" because it marked a rapid diversification of marine life and the emergence of many major animal groups.
Archaeologists have found evidence such as tools, cave paintings, and burial sites that suggest human presence during the Paleolithic era. These findings provide insights into early human behavior, technology, and societal structures.
The family is a social institution that is found in every society in the world, in every era of human history.