It means studded skin, leather with studs or nails. Refers to the rough skin of a poisonous lizard in northern Mexico. It is one of the common names of the lizard and also the genus name of those lizards, unique in the family Helodermatydae. It is also known as acalthepón, plyched lizard, bead lizard, spotted lizard. Its scientific name is Heloderma horridum.
