Geological Society of America

8:25 AM

TEMAPÁ HIDALGO: A NEW FOSSILIFEROUS OUTCROP FROM LOWER JURASSIC WITH CRINOIDS AND AMMONOIDS ON EAST CENTRAL MÉXICO. PALEONVIRONMENT INTERPRETATION

Carlos Esquivel Macías, Centro de Investigaciones Biologicas, Universidad Autónoma de Hidalgo, Pachuca de Soto, N/A and Kinardo Flores Castro, Universidad Autónoma de Hidalgo, Pachuca, N/A and Rita Gabriela Leon Olvera, Instituto de Ciencias del Mar y Limnologia, Pachuca de Soto, N/A

48005 (THEME SESSIONS)

8:45 AM

NEW DATA ABOUT THE BIOSTRATIGRAPHIC RANGE OF SOME SPECIES OF THE GENUS OCHETOCERAS (HAUG, 1885) IN MEXICO

Isabel López-Palomino, Institute of Geology, UNAM, Mexico, N/A and Ana Bertha Villaseñor, Institute of Geology, UNAM, Mexico, N/A and Federico Olóriz, Universidad de Granada, Granada, N/A

49788 (THEME SESSIONS)

9:05 AM

A NEW UPPER JURASSIC AMMONITE FAUNA FROM THE CUCURPE FORMATION, SONORA

Ana Bertha Villaseñor, Universidad Nacional Autonoma de Mexico, Mexico, N/A and Carlos M. González-León, UNAM, Hermosillo, N/A and Timothy F. Lawton, New Mexico State Univ, Las Cruces, NM

51716 (THEME SESSIONS)

9:25 AM

THE CO-OCCURRENCE OF A LATE JURASSIC ICHTHYOSAURIAN REPTILE AND AMMONITES IN DURANGO, MEXICO. PRELIMINARY REPORT ON TAPHONOMY, SYSTEMATICS AND BIO-CHRONOLOGY

Federico Olóriz, Universidad de Granada, Granada, N/A and Ana Bertha Villaseñor, Universidad Nacional Autónoma de México, México, N/A and Francisco Javier Aranda-Manteca, Universidad Autonoma de Baja California, Facultad de Ciencias Marinas, Ensenada, N/A

51870 (THEME SESSIONS)

9:45 AM

TOWARDS A STANDARD AMMONITE ZONATION FOR THE APTIAN (LOWER CRETACEOUS) OF NORTHERN MEXICO

Ricardo Barragán, Instituto de Geología, UNAM, México, D. F, N/A and Ana Laura Méndez, Instituto de Geología, UNAM, México, D. F, N/A

48163 (THEME SESSIONS)

10:20 AM

BARREMIAN PLANKTIC FORAMINIFERAL BIOSTRATIGRAPHY OF THE SAN LUCAS FORMATION, MICHOACAN (SW MEXICO)

Lourdes Omaña, Instituto de Geología, UNAM, México, D.F, N/A and Celestina González-Arreola, Instituto de Geología, UNAM, México D.F, N/A and Blanca Margarita Ramírez-Garza, Instituto de Geología, UNAM, México D.F, N/A

50219 (THEME SESSIONS)

10:40 AM

THE RUDISTS RETHA TULAE (FELIX, 1891) FROM BARREMIAN-LOWER APTIAN ROCKS OF THE HUETAMO-SAN LUCAS REGION, SW MEXICO

Jerjes Pantoja-Alor, Instituto de Geologia, UNAM, Mexico city, N/A

52496 (THEME SESSIONS)

11:00 AM

HIGH DIVERSITY OF FRESHWATER GASTROPODS FROM THE MAASTRICHTIAN CERRO DEL PUEBLO FORMATION, COAHUILA; ENVIRONMENTAL AND STRATIGRAPHIC IMPLICATIONS

María del Carmen Perrilliat, Instituto de Geología, Mexico City, N/A and Belinda Espinosa, Escuela Normal Superior de Coahuila, N/A and Francisco J. Vega, Instituto de Geología, N/A

50188 (THEME SESSIONS)

11:20 AM

MAASTRICHTIAN CEPHALOPODS FROM THE MÉNDEZ FORMATION AT CERRALVO, NUEVO LEON, NORTHEASTERN MEXICO

Wolfgang Stinnesbeck, Univ of Karlsruhe, Karlsruhe, N/A and Christina Ifrim, Univ of Karlsruhe, Karlsruhe, N/A

50553 (THEME SESSIONS)

11:40 AM

LATE CRETACEOUS (MAASTRICHTIAN) CORALS FROM CHIAPAS, MEXICO

Harry F. Filkorn, Nat History Museum of Los Angeles County, Los Angeles, CA

51767 (THEME SESSIONS)

19 Mesozoic Invertebrate Paleontology

Presentations