WebFollow their extraordinary journey from shore to sea. Although whales are expert swimmers and perfectly adapted to life underwater, these marine mammals once walked on four legs. Their land-dwelling ancestors lived about 50 million years ago. Meet Pakicetus, a goat-sized, four-legged creature that scientists recognise as one of the first ... WebTranscribed Image Text: Pakicetus is an ancient wolf-like organism that lived 50 million year ago. It had wolf-like ears and nostrils on the front of its skull. Modem whales have a similar ear structure, but their nostrils are on the back of their skull. ... In spite of it's height, the ...
Agujaceratops Dinosaur Facts - information about the dinosaur agujaceratops
WebAgujaceratops was a herbivore (plant-eater) that lived in the late Cretaceous period, between about 83 and 70 million years ago, Agujaceratops was about 17 feet (5.2 meters) long, and weighed something in the region of 2 tons. Agujiaceratops is similar to Chasmosaurus and Pentaceratops . Indeed, when Agujiaceratops was first discovered in 1938 ... WebPakicetus is believed to be the common ancestor of whales. Pakicetus was a land dwelling carnivore with similar ear bones and teeth to those of a modern whale according to fossil records. Animals such as dolphins and hippopotamus also descend from Pakicetus. Anatomical The vestigial feature... game of thrones themed snacks
Cetacean Life Span, Evolution, & Characteristics Britannica
Pakicetus is an extinct genus of amphibious cetacean of the family Pakicetidae, which was endemic to Pakistan during the Eocene, about 50 million years ago. It was a wolf-like animal, about 1 metre (3 ft 3 in) to 2 metres (6 ft 7 in) long, and lived in and around water where it ate fish and other small animals. The … See more Based on the sizes of specimens, and to a lesser extent on composite skeletons, species of Pakicetus are thought to have been 1 metre (3 ft 3 in) to 2 metres (6 ft 7 in) in length. Pakicetus looked … See more Pakicetus was classified as an early cetacean due to characteristic features of the inner ear found only in cetaceans (namely, the large See more 1. ^ Bajpai, S.; Gingerich, P. D. (22 December 1998). "A new Eocene archaeocete (Mammalia, Cetacea) from India and the time of origin of whales" See more Possible semi-aquatic nature It was illustrated on the cover of Science as a semiaquatic, vaguely crocodile-like mammal, diving after fish. Somewhat more … See more The first fossil, a skull fragment of P. inachus, was found in 1981 in Pakistan. Subsequent fossils of Pakicetus were also found in Pakistan, … See more • Cetaceans portal • Paleontology portal • Evolution of cetaceans See more Web•Pakicetus was discovered in 1983 by paleontologists Philip. D. Gingerich and his assistants: Donald. E. Russell, Neill Wells and S. M. Ibrahim Shah in the north of Pakistan.•Lived in … Webtributed to three genera: Pakicetus Gingerich and Russell, 1981, Nalacetus Thewissen and Hussain, 1998, and Ichthyolestes (Thewissen and Hussain, 1998). ... Level* Specimen # Length Width Height Neural canal width Neural canal height Pakicetus Ce3 H-GSP 98202 > 16.1 20.1 19 11.3 7.8 Ce3 H-GSP 96383 19.5 22.5 19.2 game of thrones theme piano sheet pdf