Kirkland, J.I. & Aguillón-Martínez, M.C. (2002)
Schizorhiza: a unique sawfish paradigm from the Difunta Group, Coahuila, Mexico. Revista Mexicana de Ciencias Geológicas, 19(1), 16–24

Aguillón-Martínez, M.C. & Espinosa, B. & Kirkland, J.I. (1997)
A rostrum of the Sclerorhynchid sawfish Ischyrhiza mira from the Deltaic Cerro Del Pueblo Formation (Latest Campanian, Cretaceous) Coahuila, Mexico [Abstract]. Journal of Vertebrate Paleontology, 17(Supplement to Number 3), 28A