> Jaw bone fossil discovered in Ethiopia is oldest known human lineage remains Trilobite fossils are older human lineage remains, or at least plenty of species

> Jaw bone fossil discovered in Ethiopia is oldest known human lineage remains Trilobite fossils are older human lineage remains, or at least plenty of species we know led to mammals, if trilobites didn't descend to us. The article specifies "... that belong to the genus Homo, the lineage that ultimately led to modern humans," which is probably what the headline meant.