Species Oldest Living Creatures Ever Found On Earth

All animals and plants are alive today are creatures that have survived and adapted over millions of years ago. Even now, there are still many prehistoric animals were still alive.

1. Cyanobacteria (3.8 billion years)

The researchers have assumed that Cyanobacteria is the first living creatures that live on the earth. Cyanobacteria, also known as cyanobacteria (a), the blue-green bacteria, blue-green algae (Cyanophyceae), as well as blue algae, is a phylum (or division) photosynthetic autotrophic bacteria.
Trace fossils have been discovered 3.8 billion years old. This bacteria group is now one of the largest and most important group on Earth. These creatures live in sulfur and methane are spread evenly in almost all places in the beginning the earth was formed.
Although small, but cyanobacteria or blue-green algae is one of the most important groups in the chain of life on earth ecosystem. Cyanobacteria can be found in the sea or ocean, freshwater, in the rock face to the ground

2. Nautilus (500 million years)

Nautilus also called living fossil or living fossil because many archaeologists who discovered the fossils of these animals in the rocks, but until now Nautilus can still be found in the waters of the Indo-Pacific.
According to experts, in the era of dinosaurs, these animals have different variants, due to many factors, this is now the remaining family tree Nautilus hanyacephalopoda or squid only

3. Jellyfish  (505 million years)

Jellyfish are marine animals that are included in the class Scyphozoa and belongs to the family Cnidaria or Coelenterata. Tufted umbrella-shaped body, can make the itching of the skin when touched. There are about 1,800 types of jellyfish in the world.
Type of jellyfish is the most dangerous of the group Cubozoa. Tentacles sting can cause death. Jellyfish are the most deadly of these groups is Irukandji jellyfish, which is small in size. This jellyfish live around the coast of Australia.
This animal is very difficult to become a fossil when it dies because his body is thin and soft. However, ever found a fossil which is believed to be ancient jellyfish few years ago.