Authors: De la Mora, A Oloriz, F Gonzalez-Arreola, C

Citation: A. De La Mora et al., 'Autochthonous' bivalve assemblages and palaeoecologic interpretation in the upper Jurassic-Lowermost Cretaceous La Caja Formation from the Canon de San Matias (Zacatecas, Mexico), CR AC S IIA, 331(11), 2000, pp. 741-747

Authors: Oloriz, F Villasenor, AB Gonzalez-Arreola, C

Citation: F. Oloriz et al., Geographic control on phenotype expression. The case of Hybonoticeras mundulum (Oppel) from the Mexican Altiplano, LETHAIA, 33(3), 2000, pp. 157-174