Devonian period, fossil

In a recent study, the scientists have unearthed South African fossils which are about the prehistoric Devonian Period amphibians and they are believed to be the first four-legged vertebrates which are at present at the site which is known as Waterloo Farm in Grahamstown.

The two fossils of tetrapods which are named as Umazantsia and Tutsis have been described by scientists as a cross between an alligator and a fish. These type of species ate said to be amphibians and scientists have deduced that they will eat small fish when they are in the water and while they are on land and they eat tiny vertebrate. The fossils which are discovered by the scientists have the importance and they lived in an environment where they have unearthed.

These Devonian tetrapods are known to be all vertebrates and the amphibious aquatic tetrapods are said to be first colonized on this land. The scientists have said that their evolution has taken place in warm tropical places. The South African fossils which are found there are said to be also present in colder environments and these fossils are present on an Antarctic circle which was some 360 million years ago.

As per paleontologist, they have identified fossils as Tutsis from the piece of the shoulder girdle bone. These species were estimated to be 3 feet long and they have decided to name this species after the Desmond Tutu who is the South African human right activist. The other species known as Umzanmtsia was said to measure about 2.3 feet long and also have a slender lower jaw with small pointed teeth.

Te Devonian fossils of tetrapod can be found everywhere and in the present world except in some ancient supercontinents like Gondwana. In the present time, Gondwana continents have become countries like South America, India, Australia, Antarctica, and Africa. The fossil which they have found consisted of jaw and footprints and they are in eastern  Australia. The study was published in the journal Science.


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