Wednesday, 1 July 2020

GENETICS X MAMMAL ANCESTORS

Gorgonops

Gorgonops
Gorgonops is an extinct genus of therapsid which lived about 260-254 million years ago, during the Late Permian. It was a typical representative of the suborder Gorgonopsia, the dominant predators of their day, which in the largest forms grew to over three metres long.


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Cynodont
Animal

Description

Description

The cynodonts are therapsids that first appeared in the Late Permian. Mammals are cynodonts, as are their extinct ancestors and close relatives. All other cynodont lines went extinct.



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Short-beaked echidna

Short-beaked echidna
The short-beaked echidna is one of four living species of echidna and the only member of the genus Tachyglossus. It is covered in fur and spines and has a distinctive snout and a specialized tongue, which it uses to catch its insect prey at a great speed. Like the other extant monotremes, the short-beaked echidna lay



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Platypus

The platypus, sometimes referred to as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative of its family and genus, though a number of related species appear in the fossil record.



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