An international team of researchers has resolved the evolutionary relationships of Necrolestes patagonensis, the so-called “grave robber” because of its burrowing and underground lifestyle. This much-debated fossil mammal from South America has been a paleontological riddle for 121 years but a recent fossil discovery and comparative anatomical analysis helped researchers to correctly place the strange 16-million-year-old Necrolestes, with its upturned snout and large limbs for digging, in the mammal evolutionary tree.

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