Spinolestes

In Depth        Spinolestes is a genus of small mammal that lived in Spain during the early Cretaceous,‭ ‬and one that has told us more about‭ ‬Mesozoic mammals that most other genera combined.‭ ‬This is all down to the truly exceptional level of preservation in the xenarthrosus type specimen that not only contains the skeleton,‭ ‬but … Read more

Jeholodens

Jeholodens: Research Database Eutheria (Mammalia) · Early Cretaceous (~125 MYA) · Asia — China (Yixian Formation, Jehol Biota)   Research Note: Jeholodens jenkinsi was an early eutherian mammal from the Early Cretaceous Yixian Formation of Liaoning, China. It is known from exceptionally preserved specimens revealing fur, ear structures, and internal organs — providing unparalleled data … Read more

Liaoconodon

In Depth        Liaoconodon is an interesting genus of mammal that lived in China during the latter half of the early Cretaceous.‭ ‬The ear structure of Liaoconodon has‭ ‬been identified as being transitional,‭ ‬helping to reveal how primitive ear structures in mammals developed to what we see in later more advanced forms. Further Reading -‭ ‬Transitional … Read more

Acinacodus

In Depth        Acinacodus was a genus of triconodont mammal from the early Cretaceous of Russia.‭ ‬The triconodonts were small mammals lived in a world dominated by the dinosaurs,‭ ‬and were likely hunted by some of them. Further Reading -‭ ‬A new genus of triconodont mammals from the Early Cretaceous of Western Siberia‭ ‬-‭ ‬A.‭ ‬V.‭ … Read more