Laurin, M. & Klembara, J. 2020. Seymouriamorpha D. M. S. Watson 1917 [M. Laurin and J. Klembara], converted clade name. In K. de Queiroz, P.D. Cantino & J.A. Gauthier (eds.), Phylonyms. CRC Press, Boca Raton, 30 Apr 2020: [755]-758.