In a site well known as Olduvai Gorge found in the Northern part of Tanzania (East Africa) More reading is available from Wikipedia
Their skeletons.
The earliest remains of humans were found in Africa and are about 300,000 years old. These early fossils belong to Homo sapiens, our species. They provide important insight into the origin and evolution of modern humans.
The earliest remains found of fully modern humans are believed to be approximately 300,000 years old. These remains have been discovered in various locations, such as Africa and the Middle East, and have provided valuable insights into the origins of our species, Homo sapiens.
The oldest humanoid remains that we have found so far are 2.8 million years old.
Corpses
Humans are not index fossils because human remains are only found in very recent unlithified deposits up to the present, which we would usually already know to be very recent.
they found the bones and fossils of the dinosaurs
No, it is not found in humans
"Preserved remains" is when you keep the remains of a dead person and treat them carefully. We preserve the remains of ancient humans and such.
archaeologist
Africa Just recently (about 2007) archeologist's have found remains of human bones dating all the way back to like, 50,000,000 BC.
As humans, our remains typically include bones, teeth, and sometimes hair or nails that are left behind after death. These remains can provide valuable information to archaeologists and anthropologists about our past lifestyles, diets, and health.