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The largest known marsupial, and the largest metatherian, is the extinct Diprotodon, about 3 m (9.8 ft) long, standing 2 m (6 ft 7 in) tall and weighing up to 2,786 kg (6,142 lb). [48] Fellow vombatiform Palorchestes azael was similar in length being around 2.5 m (8.2 ft), with body mass estimates indicating it could exceed 1,000 kg (2,200 lb).
Basilosaurus is thought to have been one of the largest animals of the Paleogene, with the type species B. cetoides measuring around 17–20 metres (56–66 ft) long and weighing up to 15 metric tons (17 short tons). It was the top predator of its environment in the shallows of the inland sea, preying on sharks, large fish and other marine mammals.
Archaeoceti ("ancient whales"), or Zeuglodontes in older literature, is a paraphyletic group of primitive cetaceans that lived from the Early Eocene to the late Oligocene 1] Representing the earliest cetacean radiation , they include the initial amphibious stages in cetacean evolution , thus are the ancestors of both modern cetacean suborders ...
The North of Norway is a “rare place” that hosts the “biggest congregation of cetaceans” — the order of marine mammals that includes whales — because it is home to a type of herring ...
'Wadi of the Whales' Egyptian Arabic pronunciation: [ˈwa.diː elˈħit.æːn] ⓘ) is a paleontological site in the Faiyum Governorate of Egypt, some 150 kilometres (93 mi) south-west of Cairo. [1] It was designated a UNESCO World Heritage Site [ 2 ] in July 2005 [ 3 ] for its hundreds of fossils of some of the earliest forms of whale , the ...
During the Carboniferous Period, Earth's atmospheric oxygen levels surged, helping some plants and animals grow to gigantic proportions. One notable example was Arthropleura, the biggest bug ever ...
Livyatan is the largest fossil sperm whale discovered, and was also one of the biggest-known predators, having the largest bite of any tetrapod. [ 1 ] [ 8 ] Diagram comparing the upper and lower size estimates of Livyatan (bottom three) with the size of mature sperm whales, including one of the largest individuals recorded (top three), and a human
[6]: 108 Archelon is the largest known turtle in history. Its size is comparable to that of a small car. Its size is comparable to that of a small car. [ 6 ] : 114 Also during the Cretaceous, geologic uplift was forming the Black Hills in the western part of the state. [ 2 ]