tarsioidEtymologyFrom French tarsi(er) + -oid, from Latin tarsus, from Ancient Greek ταρσός (tarsós, “wickerwork mat"; "broad, flat surface"”).nounA tarsier or extinct relative; any member of the infraorder Tarsiiformes“Among the short-lived northerners were Metacheiromys, whose South American cousins survive today in the order of armadillos, anteaters and sloths, and the early primates — lemurs like Notharctus and tarsioids like Tetonius.”