| image = EdaphosaurusDB.jpg | image_width = 240px | image_caption = Edaphosaurus, a Eupelycosaurian | regnum = Animalia | phylum = Chordata | classis = Synapsida | ordo = Pelycosauria | suborder = Eupelycosauria | suborder_authority = Kemp, 1982 | subdivision_ranks = Families and Clades | subdivision = Varanopseidae Ophiacodontidae Edaphosauridae Sphenacodontia * Sphenacodontidae Therapsida * Mammalia }} The Eupelycosauria originally referred to a suborder of Pelycosaurs (Reisz 1987), but… (More on Eupelycosauria)