LucasDr. Lucas is a paleontologist and stratigrapher specializing in the study of late Paleozoic, Mesozoic, and early Cenozoic vertebrate fossils and continental deposits, esp. in the American Southwest. He has extensive field experience in the western Unted States, New Mexico, northern Mexico, Costa Rica, Jamaica, Kazakhstan, Soviet Georgia and the People's Republic of China. He has published more than 900 scientific articles and co-edited 14 books, has authored/co-authored 7 books, has 23 years of museum experience and 17 years of teaching experience at the university level. Read More Read Less