Phyletic studies; part 1, Tiger sharks - 1978
Late Tertiary equids from the state of Hidalgo, Mexico - 1994
Bivalvos de la Formación Tuxpan (Mioceno Medio), Estado de Veracruz, México - 1994
Toucasia hancockensis (Hippuritacea-Requienidae) in southwestern Mexico - 1995
Permian-Triassic boundary at El Antimonio, Sonora, Mexico - 1997
Late Triassic and Early Jurassic bivalves from Sonora, Mexico - 1997
Middle Triassic Ammonites from Sonora, Mexico - 1997
Schizorhiza: a unique sawfish paradigm from the Difunta Group, Coahuila, Mexico - 2002
A titanosaurid sauropod from the Upper Cretaceous of Chihuahua, Mexico - 2003
Towards a standard ammonite zonation for the Aptian (Lower Cretaceous) of northern Mexico - 2005
Moluscos de la Formación Agueguexquite (Plioceno inferior) de Coatzacoalcos, Veracruz, México - 2011
A ceratopsian horncore from the Olmos Formation (early Maastrichtian) near Múzquiz, Mexico - 2011
A Deinosuchus riograndensis (Eusuchia: Alligatoroidea) from Coahuila, North Mexico - 2011
Late Cretaceous nodosaurids (Ankylosauria: Ornithischia) from Mexico - 2011
Funginella? isfahanensis n. sp. from the upper Albian of Iran - 2011
Gasterópodos y bivalvos cisuralianos (Pérmico inferior) de Otlamalacatla, Hidalgo, México - 2012
Corals from the Maastrichtian Ocozocoautla Formation (Chiapas, Mexico) – a closer look - 2012
Late Paleocene Architectonicidae (Gastropoda: Heterobranchia) from Baja California, Mexico - 2013