Stiletto be employed along with the dagger as a fighting weapon; a 1536 dueling treatise authored by Achille Marozzo, "Opera Nova", contains sections on dagger and stiletto fighting. By the time of the Renaissance, the term stiletto had come to describe a range of slender thrusting knives closely resembling the French poignard, many with conventional dagger-profile blades and sharpened edges, but always retaining the slim profile and needle-like point. To lighten the weapon, many stilettos were equipped with blades carrying fullers over a portion of their length. The stiletto remained a popular weapon of criminals or political assassins from the 16th
Name-bearing type In contrast, a subjective synonym is based on a different name-bearing type, but is regarded as representing the same taxon; for example, the name "Viverra touan" Shaw, 1800, is based on a different name-bearing type (a specimen in the Field Museum of Natural History), but is currently regarded as representing the same species as "Didelphis brevicaudata" and "Didelphys brachyuros". "Family-group" ranks include the superfamily and all other ranks below it and above the genus, including the family and tribe. The name of a family-group taxon is based on the stem of the type genus, its name-bearing type; for example, the