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author1Azarael Tomas-Mosso. Benemérita Universidad Autónoma de Puebla, Facultad de Ciencias Biológicas. Ciudad Universitaria, Puebla, Puebla, México.

As a student and thesis student of the Paleobiology Laboratory of the Benemérita Universidad Autónoma de Puebla (BUAP) I am interested in having a paleontological training, due to the interest it generates since I have worked with vertebrates and fossil pollen as well as with fossil pieces both in their conservation and in their identification, this has allowed me to develop experience in this field and obtain valuable skills in this sector being able to support in the generation of information of this laboratory.




author3Carlos Castañeda-Posadas. Benemérita Universidad Autónoma de Puebla, Laboratorio de Paleobiología, Ecocampus-BUAP, San Pedro Zacachimalpa, Puebla, Mexico. (Corresponding author)

Currently professor-researcher attached to the University Botanical Garden of the Benemérita Universidad Autónoma de Puebla (BUAP). Degree in Biology and Master and PhD in Biological Sciences from the UNAM. Responsible and curator of the Paleobiology laboratory of the BUAP. Line of research is: Changes in the Paleodiversity of Mexico as a consequence of the tectonic activity of the Center-South of the Country, based on the fossil record. This has resulted in 9 projects. Among the scientific production are 22 Indexed Articles, 3 refereed articles, 3 dissemination articles, 1 book, 4 book chapters. Participation in congresses: 53 National and international. Among the paleontological works we have the record of 12 new fossil species based on 2 amber flowers, 3 leaves of Tlaxcala and 4 fossil woods of Tlaxcala and 2 of Chiapas, as well as bivalves encapsulated in amber from Chiapas. Area of specialty, paleobotany and palynology.



author2J. Alberto Cruz. La Brea Tar Pits and Museum, Los Angeles, USA. Centro de Investigación Quinametzin, Coordinación Nacional de Arqueología, Instituto Nacional de Antropología e Historia, Mexico City, Mexico.

I’m a paleoecologist who specializes in Quaternary paleoclimatic reconstructions using small vertebrates, especially herpetofauna (reptiles and amphibians), but I have published widely on other topics from flowers, birds, small mammals, and megafauna in different time periods such as Cretaceous, Miocene, Holocene, and extant organisms. I obtained my Biologist degree from National Polytechnic Institute (INP, Instituto Politécnico Nacional) and my PhD degree from the Universidad Nacional Autónoma de México (UNAM,). I´m joining the Rancho La Brea team with the project focused on collecting and studying small fossil from an asphaltic (“tar pit”) paleontological site in California, USA, and Talara, Peru. Also, I´m working with the small vertebrates from the paleontological site in Felipe Angeles International Airport and several paleontological sites in Mexico.



author4Ivan Alarcón-Durán. Instituto Nacional de Antropología e Historia, Sección de Paleontología, Centro INAH Puebla, Av. Ejércitos de Oriente S/N, Centro Cívico Cinco de Mayo Los Fuertes, Cd. Puebla, Puebla, Mexico. 

I am a Research Professor at the INAH Puebla Center working as a paleontologist; also curator of the Paleontology Collection of CINAHP and the Permanent Room of Paleontology of MUREP. I have been Prtitular bidder and Adjunct Professor at the National School of Biological Sciences of the IPN, I also worked as a Laboratory Technician specialized in the Laboratory of "M. en C. Ticul Álvarez Solórzano", belonging to the Subdirectorate of Laboratories and Academic Support of the National Institute of Anthropology and History. I studied the Doctor in Biological and Health Sciences at the Autonomous Metropolitan University – Iztapalapa Unit. Master's degree in Biosciences and graduated in Biology from the National School of Biological Sciences, I. P. N. I have published popular and scientific works on geometric morphometrics, archaeozoology, zoology and paleontology in national and international journals. My particular interest is the study of vertebrates in general, mainly continental whether past or present.