Listar por autor "Pérez-Ramos, Alejandro"
Mostrando ítems 1-18 de 18
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Biomechanical simulations reveal a trade-off between adaptation to glacial climate and dietary niche versatility in European cave bears.
Pérez-Ramos, Alejandro; Tseng, Jack; Grandal D'Anglade, Aurora; Rabeder, Gernot; Pastor, Francisco; Figueirido-Castillo, Francisco Borja
[et al.] (AAAS, 2020-04-01)
The cave bear is one of the best known extinct large mammals that inhabited Europe during the “Ice Age,” becoming extinct ≈24,000 years ago along with other members of the Pleistocene megafauna. Long-standing hypotheses ... -
Carrying capacity, available meat and the fossil record of the Orce sites (Baza Basin, Spain)
Rodríguez-Gómez, Guillermo; Espigares-Ortiz, María Patrocinio; Martínez-Navarro, Bienvenido; Ros-Montoya, Sergio; Guerra-Merchán, Antonio; Martín-González, Jesús A.; Campaña, Isidoro; Pérez-Ramos, Alejandro; Granados, Alejandro; García-Aguilar, José Manuel; Rodríguez-Ruiz, María Dolores; Palmqvist-Barrena, Carlos Paul[et al.] (MDPI, 2024)
The Early Pleistocene sites of Orce in southeastern Spain, including Fuente Nueva-3, Barranco León and Venta Micena, provide important insights into the earliest hominin populations and Late Villafranchian large mammal ... -
Dataset for: Pérez-Ramos, A., Tseng, Z. J., Grandal-D’Anglade, A., Rabeder, G., Pastor, F. J., & Figueirido, B. (2020). Biomechanical simulations reveal a trade-off between adaptation to glacial climate and dietary niche versatility in European cave bears.
Pérez-Ramos, Alejandro; Tseng, Jack; Grandal D'Anglade, Aurora; Rabeder, Gernot; Pastor, Francisco; Figueirido-Castillo, Francisco Borja[et al.] (Universidad de Málaga, 2020-01-01)
Se presentan los modelos en 3D con formato stl de los cráneos analizados en la publicación Pérez-Ramos et al. (2020). Los modelos fueron construidos a partir de Tacs. Se escanearon doce cráneos procedentes de diferentes ... -
Deciphering the record of hyaenic activity in the Early Pleistocene site of Fuente Nueva-3 (Baza Basin, SE Spain)
Espigares-Ortiz, María Patrocinio; Palmqvist-Barrena, Carlos Paul; Ros-Montoya, Sergio; Rodríguez-Ruiz, María Dolores; Pérez-Ramos, Alejandro; Guerra-Merchán, Antonio; Granados, Alejandro; Rodríguez-Gómez, Guillermo; García-Aguilar, José Manuel; Martínez-Navarro, Bienvenido[et al.] (2022)
FN3 is an open air site, dated ~1.4 Ma. Their archaeological levels preserve evidences of human presence, consisting in lithic artefacts and cuts and percussion marks on bones. The lithic remains are associated with abundant ... -
Distinct Predatory Behaviors in Scimitar- and Dirk-Toothed Sabertooth Cats.
Figueirido-Castillo, Francisco Borja; Lautenschlager, Stephan; Pérez-Ramos, Alejandro; Van Valkenburgh, Blaire (Cell Press, 2018-10-22)
Over the Cenozoic, large cat-like forms have convergently evolved into specialized killers of “megaherbivores” that relied on their large, and laterally compressed (saber-like) canines to rapidly subdue their prey. Scimitar- ... -
Evolución de la columna vertebral en pinnípedos actuales y extintos.
Martín-Serra, Alberto; Esteban Núñez, Juan Miguel; Pérez-Ramos, Alejandro; Figueirido-Castillo, Francisco Borja (2023)
La columna vertebral desempeña un papel muy importante en la locomoción de los mamíferos acuáticos, como los pinnípedos. Sin embargo, el modo de locomoción acuática difiere entre los dos linajes principales de pinnípedos. ... -
Evolution of axial regionalization in Aves during the Mesozoic and its impact on the survival of modern lineages to K/Pgmass extinction
Serrano Alarcón, Francisco José; Pérez-Ramos, Alejandro; Chiappe, Luis M.; Chapman, Susan; Rashid, Dana J.; Bertrand, Ornella; Marcé-Nogué, Jordi; Brusatte, Steve; Figueirido-Castillo, Francisco Borja[et al.] (2023)
The axial column of Neornithes (modern birds) is characterized by regional fusions in caudal vertebrae (pygostyle), lumbosacrals (synsacrum), and thoracics (notarium in several taxa) that provide a rigid and stable axis ... -
Investigating the land‑to‑sea transition in carnivorans from the evolution of sacrum morphology in pinnipeds
Esteban Núñez, Juan Miguel; Martín-Serra, Alberto; Pérez-Ramos, Alejandro; Rybczynski, Natalia; Pastor, Francisco J.; Figueirido-Castillo, Francisco Borja[et al.] (Springer, 2023)
The form and function of the sacrum are of great relevance to understand the evolution of locomotion in tetrapods because it is a key piece of the vertebrate skeleton. The sacrum connects the caudal and presacral regions ... -
Micro-CT reconstruction reveals new information about the phylogenetic position and locomotion of the Early Cretaceous bird Iberomesornis romerali
Terol, Javier C.; Pérez-Ramos, Alejandro; O’Connor, Jingmai K.; Sanz, José Luis; Serrano-Lozano, Francisco (Elsevier, 2025-03-05)
The enantiornithine Iberomesornis romerali from the Lower Cretaceous site of Las Hoyas (Spain) was originally described more than 35 years ago. As one of the first known articulated partial skeletons of this clade, I. ... -
Morphological disparity and integration in the vertebral column of pinnipeds (Mammalia, Carnivora).
Martín-Serra, Alberto; Esteban Núñez, Juan Miguel; Pérez-Ramos, Alejandro; Figueirido-Castillo, Francisco Borja (2023)
The vertebral column has a very important role in locomotion in aquatic mammals, such as pinnipeds. However, the mode of aquatic locomotion differs between pinniped groups. Otariids generate thrust with their forelimbs ... -
New approaches in vertebrate ecomorphology and evolution: the palaeobiology of the cave bear and the short-faced bear as study cases.
(UMA Editorial, 2020)En esta tesis doctoral se usan diferentes métodos de análisis tridimensional con un potencial único para descifrar aspectos ecomorfológicos y evolutivos en diferentes grupos de vertebrados. Tales métodos están basados en ... -
Phenotypic integration in the carnivoran backbone and the evolution of functional differentiation in metameric structures
Martín-Serra, Alberto; Pérez-Ramos, Alejandro; Pastor, Francisco; Velasco, David; Figueirido-Castillo, Francisco Borja (2021)
Explaining the origin and evolution of a vertebral column with anatomically distinct regions that characterizes the tetrapod bodyplan provides understanding of how metameric structures become repeated and how they acquire ... -
Serial disparity in the carnivoran backbone unveil a complex adaptive role in metameric evolution.
Figueirido-Castillo, Francisco Borja; Martín-Serra, Alberto; Pérez-Ramos, Alejandro; Velasco, David; Pastor, Francisco J.; Benson, Roger J.[et al.] (2021)
Organisms comprise multiple interacting parts, but few quantitative studies have analysed multi-element systems, limiting understanding of phenotypic evolution. We investigate how disparity of vertebral morphology varies ... -
Sharing food with hyenas: a latrine of Pachycrocuta brevirostris in the Early Pleistocene assemblage of Fuente Nueva‑3 (Orce, Baza Basin, SE Spain)
Espigares-Ortiz, María Patrocinio; Palmqvist-Barrena, Carlos Paul; Rodríguez-Ruiz, María Dolores; Martínez-Navarro, Bienvenido; Ros-Montoya, Sergio; Pérez-Ramos, Alejandro; Rodríguez-Gómez, Guillermo; Guerra-Merchán, Antonio; García-Aguilar, José Manuel; Granados, Alejandro; Campaña, Isidoro; Martínez-Navarro, Bienvenido[et al.] (Springer, 2023)
The Early Pleistocene archeological site of Fuente Nueva-3 (FN3) preserves some of the oldest evidence of hominin presence in Western Europe, including a huge assemblage of Oldowan tools and evidence of butchering and ... -
Sobre el modo de entrampamiento de los grandes mamíferos conservados en rancho la brea: un análisis basado en el estado de meteorización de los restos óseos
Palmqvist-Barrena, Carlos Paul; Figueirido-Castillo, Francisco Borja; Espigares-Ortiz, María Patrocinio; Rodríguez-Gómez, Guillermo; Pérez-Ramos, Alejandro; De Renzi, Miquel[et al.] (Sociedad Española de Paleontología, 2023)
La interpretación tradicional sobre el modo en que se acumularon los restos fósiles conservados en La Brea plantea que los animales herbívoros que deambulaban por la llanura aluvial de esta región californiana durante el ... -
The influence of skull shape modularity on internal skull structures: a 3D-Pilot study using bears
Pérez-Ramos, Alejandro; Martín-Serra, Alberto; Pérez-Claros, Juan Antonio; Schubert, Blaine W; Pastor, Juan F.; Figueirido-Castillo, Francisco Borja[et al.] (2015-10-22)
In order to capture the phenotypic variation of the internal skull structures, such as the sinuses or the brain, it is necessary to perform CT scans in a large number of specimens, which is difficult and expensive. ... -
The late Early Pleistocene site of Fuente Nueva-3 (Guadix-Baza Depression, SE Spain): a hyena latrine developed on a quicksand trap for megaherbivores?
Palmqvist-Barrena, Carlos Paul; Campaña, Isidoro; Granados, Alejandro; Martínez-Navarro, Bienvenido; Pérez-Ramos, Alejandro; Rodríguez-Gómez, Guillermo; Guerra-Merchán, Antonio; Ros-Montoya, Sergio; Rodríguez-Ruiz, María Dolores; García-Aguilar, José Manuel; Hernández-Jolín, Víctor; Espigares-Ortiz, María Patrocinio[et al.] (Springer, 2024)
The late Early Pleistocene archaeological site of Fuente Nueva-3 (FN3), which lies in the Guadix-Baza Depression (SE Spain) and is dated to ~ 1.4 Ma, contributes some of the oldest evidence of hominin presence in Western ... -
The photogrammetry method and 3D virtualization technology as a learning tool in the flipped classroom at COVID-19 time.
Pérez-Ramos, Alejandro; Rodríguez-Ruiz, María Dolores; Bentabol-Manzanares, María José (IATED Academy/I. Gómez Chova, A. López Martínez, I. Candel Torres, 2021-03)
From 2016-2017 academic year, The “Flipped Classroom” pedagogical methodology was launched in the Crystallography and Mineralogy subject of the Chemical degree in the University of Malaga (UMA). The application of the ...