On the generalized spinor classification: beyond the Lounesto’s classification C. H. Coronado Villalobos, R. J. Bueno Rogerio, A. R. Aguirre and D. Beghetto Eur. Phys. J. C, 80 3 (2020) 228 Published online: 10 March 2020 DOI: 10.1140/epjc/s10052-020-7801-5