production

Marjorie Bendeck, Alex Frañó

primary design

Gina Rodríguez

mounting

Rubén Padrón

graphic designs

Fernando Morales

paleontologic materials and text

Elena Centeno, Luis Espinosa, Arturo Gonzales, Francisco Vega, Sergio Caballos, Maria Eugenia Malagón

video

Musselman Photography, CenSerro Productions, Fitchburg State College,
Kevin Andrews

sculpture

Donna Friedman

photo laboratory

Laboratorio Mexicano de Imágenes (LMI)

acknowledgments

René Hernández, UNAM
Robert Champlin, Fitchburg State College
Secretary of Education, State of Coahuila
Desert Museum, Saltillo, Coahuila
Museum of Geology, UNAM
Casa Coahuila, Mexico City