Ruthiromia is an extinct genus of varanopid synapsids from the Early Permian of the United States. See also List of pelycosaurs References Eberth, D. A. & Brinkman, D. 1983. Ruthiromia elcobriensis, a new pelycosaur from El Cobre Canyon, New Mexico. Breviora 474: 1-27. Varanopids Prehistoric synapsid genera Cisuralian synapsids of North America Fossil taxa described in 1983 Cisuralian genus first appearances Cisuralian genus extinctions