Posts Tagged ‘mammal’

Fat from 558 million years ago reveals earliest known animal

Scientists from The Australian National University (ANU) and overseas have discovered molecules of fat in an ancient fossil to reveal the earliest confirmed animal in the geological record that lived on Earth 558 million years ago. The strange creature called Dickinsonia, which grew up to 1.4 metres in length and was oval shaped with rib-like […]

Mammal forerunner that reproduced like a reptile sheds light on brain evolution

Compared with the rest of the animal kingdom, mammals have the biggest brains and produce some of the smallest litters of offspring. A newly described fossil of an extinct mammal relative — and her 38 babies — is among the best evidence that a key development in the evolution of mammals was trading brood power […]

Brazilian carnivorous mammal-like reptile fossil may be new Aleodon species

@WFS,World Fossil Society,Riffin T Sajeev,Russel T Sajeev Some Late Triassic Brazilian fossils of mammal-like reptiles, previously identified as Chiniquodon, may in fact be the first Aleodon specimens found outside Africa, according to a study published June 14, 2017 in the open-access journal PLOS ONE by Agustín Martinelli from the Universidade Federal of Rio Grande do […]

Most Comprehensive Tree of Life Shows Placental Mammal Diversity Exploded After Age of Dinosaurs

An international team of scientists including University of Florida researchers has generated the most comprehensive tree of life to date on placental mammals, which are those bearing live young, including bats, rodents, whales and humans. Appearing  February 7 in the journal Science, the study details how researchers used both genetic and physical traits to reconstruct […]