Harpesaurus beccariiHarpesaurus beccarii, also known commonly as the Sumatra nose-horned lizard or the Sumatran nose-horned lizard, is a species of lizard in the family Agamidae. The species is endemic to Sumatra, Indonesia.EtymologyThe specific name, beccarii, is in honor of Italian botanist Odoardo Beccari.DescriptionH. beccarii may attain a snout-to-vent length of , and a tail length of. The rostral appendage, which measures, is double, consisting of a longer anterior "horn" and a shorter posterior "horn". The body is bluish green dorsally.ReproductionH. beccarii is oviparous.