Rare evidence about the lives of an ancient group of arthropods has been uncovered in the U.S. The findings of the study are published in the journal Biology Letters. The cluster of cyclidan ...

Strausfeld pointed out that a fossil's neural traces can be very subtle, but can be amplified by enhancing the contrast and width of the darkest deposits standing out against the gray granular rock in ...

One of several Jianfengia fossil specimens: The animal's body plan is extremely simple, consisting of numerous identical segments. However, its head is like that of a more modern crustacean, with eyes ...