Some strange creatures cropped up in the wake of one of Earth’s biggest mass extinctions 252 million years ago. In 2014, scientists discovered a bizarre fossil--a crocodile-sized sea-dwelling reptile, Atopod...
Enantiornithes are the most successful clade of Mesozoic birds, representing the sister group of the Ornithuromorpha, which gave rise to living birds. Nevertheless, the feeding habits of enantiornithines have...
Not much is known about the genetics of Eurasian history before the introduction of farming. One of the major questions is how climatic fluctuations influenced the population history of Eurasia and to what ex...
Konobelodon is a lesser known proboscidean species and was firstly reported in USA in 1990. Owing to very few data, the researchers have not known much about its morphology, and its classification status has ...
What are the cause and innate power for the biological evolution? This is a controversial problem from ancient times to now. The interpretation for the evolutionary process is at an ambiguous phase although t...
Dinosaur eggs from the Lower Cretaceous are worldwide rare as compared to those from Upper Cretaceous deposits. In China, they were only reported in Liaoning Province. In a paper published in the latest issue...
Straddling between Europe to the west and North America to the east, Asia has long been suspected to be either a source of certain Cenozoic mammals that, thus far, are only found in Europe and/or North America, or...
Most living birds characteristically grow rapidly and reach adult size within a year. Nevertheless, little is known about how such an advanced developmental strategy evolved despite many discoveries of early ...
Over the past three decades, representatives of all major Mesozoic bird groups have been reported from the Early Cretaceous Jehol Biota of northeastern China. A new species, Chongmingia zhengi, reported in th...
The production of formal bone tools, defined as artefacts that were cut, carved, polished or otherwise modified to produce fully shaped points, awls, harpoons and wedges, appears relatively late in human hist...