Kalmar "Desert Iguana" tana nufin wani nau'in kadangaru da ake samu a cikin sahara na Arewacin Amurka, musamman a kudu maso yammacin Amurka da arewa maso yammacin Mexico. Sunan “Hamada” yana nufin mazauninsu, yayin da “iguana” kalma ce da ake amfani da ita wajen bayyana kamanninsu, domin suna da kamanni da siffar jikinsu da sanannen koren iguana. Sunan kimiyya na igin hamada Dipsosaurus dorsalis.