Mexican beaded lizard debate among scientists. However, this venom has been found to contain several enzymes useful for manufacturing drugs in the treatment of diabetes, and research on the pharmacological use of its venom is ongoing. Threatened throughout its range by overcollection and habitat loss, it is a CITES protected species. The Guatemalan beaded lizard ("H. charlesbogerti" ) is one of the rarest lizards in the world, with a wild population of fewer than 200. The beaded lizards have one close living relative, the Gila monster ("H. suspectum"), as well as many extinct relatives in the Helodermatidae, whose genetic history may be traced
Broadley's flat lizard to accurately distinguish between conspecifics of various fitness. They have as many as three times the number of UV photoreceptor cells in their retina compared to other lizards. Sexual maturity is reached at around snout-vent length for both sexes. Females lay two clutches of eggs in early summer. Broadley's flat lizard The Augrabies flat lizard ("Platysaurus broadleyi") is a species of lizard in the Cordylidae family endemic to South Africa. "Platysaurus broadleyi" is also called Broadley's flat lizard. Both the specific name, "broadleyi", and one of the common names, Broadley's flat lizard, are in honor of herpetologist . The Augrabies