†Procolophonia Seeley 1888 [Laurin & Reisz 1995] †Procolophonoidea Romer 1956 [Lee 1995] see Superfamily Procolophonoidea Cope, 1889 1 †Owenettidae Broom 1939 [Lee 1995] see Family Owenettidae Broom, 1939 2 †Procolophonidae Lydekker 1889 [Laurin & Reisz 1995] see Family Procolophonidae Lydekker, 1889