†Parareptilia Olson 1947 [deBraga & Reisz 1996] see Subclass Parareptilia Olson, 1947 †Procolophonidae Lydekker 1889 [Laurin & Reisz 1995] see Family Procolophonidae Lydekker, 1889 ?Genus †Gomphiosauridion Sues & Olsen, 1993 [monotypic] 1 †Gomphiosauridion baileyae Sues & Olsen, 1993