''Paraderma'' is an extinct genus of lizard. it is primarily known from the late Cretaceous

Lance Formation The Lance (Creek) Formation is a division of Late Cretaceous (dating to about 69–66 Ma) rocks in the western United States. Named after Lance Creek, Wyoming, the microvertebrate fossils and dinosaurs represent important components of the lates ...

. ''Paraderma'' is taxonomically disputed. When it was discovered in 1964, it was assigned to Parasaniwidae, but was reassigned to

Helodermatidae The Helodermatidae or beaded lizards are a small family of lizards endemic to North America today, mainly found in the Isthmus of Tehuantepec in Oaxaca, the central lowlands of Chiapas, on the border of Guatemala, and in the Nentón River Valley, ...

in 1983. The most recent study has placed it solidly into

Monstersauria Monstersauria is a clade of Anguimorpha, anguimorph lizards, defined as all taxa more closely related to ''Heloderma'' than ''Varanus''. It includes ''Heloderma'', as well as several extinct genera, such as ''Estesia'', ''Primaderma'' and ''Gobid ...

References

Reptiles described in 1964 Helodermatidae Prehistoric lizard genera {{Paleo-lizard-stub