For hominids it is Hominidae . Usually a bone, footprint, leaf, seed or insect preserved in rock. The science of how fossils form and how they are preserved is called taphonomy. The genus name, always capitalized. It should be italicized, but sometimes is not when it appears without the species name.
Hand axes are usually termed bifaces because both faces are fashioned in the same way.
They are believed to have been manufactured by Homo erectus . They first appear about 1.4 million years ago. Often abbreviated to hominid . Often abbreviated to hominoid . Shares features with australopithecines as well as H. erectus .