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Kelenken is known from the Collón Curá Formation, and lived during the Colloncuran age of South America, when open environments predominated, which allowed more cursorial (adapted for running) and large animals to occur. The formation has provided fossils of a wide range of mammals, with a few fossils of birds, reptiles, amphibians and fish.
The discovery of Kelenken clarified the anatomy of large phorusrhacids: flightless birds with long hind limbs, small wings, huge skulls and hooked beaks. At 716 mm (28.2 in) long, the skull of Kelenken is the largest known of any bird. Kelenken is thought to have been about 3 m (10 ft) tall and exceeded 100 kg (220 lb) in weight. It differs ...
Fossil skull Life restoration by Charles R. Knight, 1901 Phorusrhacos was part of the group called the Phorusrhacidae , which is an extinct group of flightless, cursorial carnivorous birds that occupied one of the dominant, large land-predator niches in South America from the lower Eocene to the Pleistocene .
Many of these fossils had been overlooked because when they were first unearthed in the 1970s and 1980s, commonly held beliefs about human origins were vastly different from today’s theories.
Little is known about the paleobiology of Titanis due to a scarcity of fossil remains. Many of its habits are inferred based on related taxa like Kelenken and Andalgalornis. [9] Features such as the pointed premaxillary beak tip and recurved pedal unguals are direct evidence of its carnivorous lifestyle. [2]
Gastornis is an extinct genus of large, flightless birds that lived during the mid-Paleocene to mid-Eocene epochs of the Paleogene period. Most fossils have been found in Europe, and some species typically referred to the genus are known from North America and Asia.
A local amateur fossil hunter made the find on the Cliffs of Stevns, a UNESCO-listed site south of Copenhagen. While out on a walk, Peter Bennicke found some unusual fragments, which turned out to ...
Mary Leakey was born on 6 February 1913, in London, England to Erskine Edward Nicol and Cecilia Marion (Frere) Nicol. The Nicol family moved to numerous locations in thе United States, Italy, and Egypt where Erskine painted watercolours that he brought back and sold in England.