Lachesis muta
Appearance
Regnum: Animalia • Phylum: Chordata • Cladus: Reptilia • Ordo: Squamata • Subordo: Serpentes • Infraordo: Alethinophidia • Familia: Viperidae • Subfamilia: Crotalinae • Genus: Lachesis (genus) • Species: Lachesis muta (Linnaeus, 1766)