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Thylacoleo crassidentatus lived during the Pliocene, around 5 million years ago, and was about the size of a large dog. Its fossils have been found in southeastern Queensland. [6] [7] Thylacoleo hilli lived during the Pliocene and was half the size of T. crassidentatus. It is the oldest member of the genus. [8]
The best known is Thylacoleo carnifex, also called the marsupial lion. [3] The clade ranged from the Late Oligocene to the Late Pleistocene, with some earlier species the size of a possum, while the youngest members of the family belonging to the genus Thylacoleo reached sizes comparable to living big cats.
Genus Thylacoleo; The specific epithet attenboroughi commemorates the enthusiasm and support provided by David Attenborough, a well known broadcaster of natural history, that increased the recognition of the species type location, the Riversleigh World Heritage Area, a fossil site he described as one of the four most important. [2]
Thylacosmilus is an extinct genus of saber-toothed metatherian mammals that inhabited South America from the Late Miocene to Pliocene epochs.Though Thylacosmilus looks similar to the "saber-toothed cats", it was not a felid, like the well-known North American Smilodon, but a sparassodont, a group closely related to marsupials, and only superficially resembled other saber-toothed mammals due to ...
Some particular types of migration are anadromous, in which adult fish live in the sea and migrate into fresh water to spawn; and catadromous, in which adult fish live in fresh water and migrate into salt water to spawn. [2] Marine forage fish often make large migrations between their spawning, feeding and nursery grounds. Their movements are ...
Observers have noted similarities between the drop bear and the specimen Thylacoleo. [7] Like the drop bear, Thylacoleo (also called the "marsupial lion") was a hypercarnivorous marsupial found only in Australia. A 2016 Nature study of claw marks in caves concluded the marsupial lions could climb rock faces as well as trees.
As one of the first fossil crocodilians to be recognized from Australia, Quinkana has a long history. Some of the earliest fossil finds now attributed to this genus date as far back as 1886, when Charles Walter De Vis found a variety of fossil bones, including those of Quinkana, in the Darling Downs region of Queensland, which he informally dubbed Pallimnarchus pollens (now considered to be a ...
Thylacinus is a genus of extinct carnivorous marsupials in the family Thylacinidae.The only recent member was the thylacine (Thylacinus cynocephalus), commonly also known as the Tasmanian tiger or Tasmanian wolf.