Results 31 to 40 of about 31,324 (163)

Unfused transverse foramen of the atlas vertebra in the Neandertal lineage fossils

open access: yesThe Anatomical Record, EarlyView.
Abstract In anatomically modern humans, the atlas can display an unfused transverse foramen (UTF) but currently the presence of UTF in the Neandertal lineage is uncertain due to a scarcity of prevalence studies and no exhaustive record of its presence throughout the entire hominin fossil record.
Asier Gómez‐Olivencia   +5 more
wiley   +1 more source

Caracterización paleoambiental de los yacimientos de Paracuellos-3 y Paracuellos-5 (Mioceno medio, Cuenca de Madrid) a partir de la estructura de pesos corporales de las faunas de mamíferos

open access: yesGeogaceta, 2021
El evento de enfriamiento global del Mioceno medio ha sido descrito, a escala local, en el centro de la Península Ibérica (Cuenca de Madrid). Algunos yacimientos paleontológicos como Somosaguas (14,1 Ma) y Cerro de los Batallones (9 Ma) han sido ...
Javier Salas-Herrera   +3 more
doaj   +1 more source

Widespread distribution of large silesaurids evidenced by a new record from the Middle Triassic of southwest Gondwana

open access: yesThe Anatomical Record, EarlyView.
The largest silesaurid known from South America is described here, demonstrating that silesaurids reached large body sizes in southwestern Gondwana. This discovery further underscores the widespread geographic distribution and temporal persistence of large silesaurids across Pangea, despite faunal turnovers and environmental events such as the Carnian ...
Rodrigo Temp Müller
wiley   +1 more source

Una revisión de la geología y evolución tectónica cenozoicas de la Mesa Central de México

open access: yesRevista Mexicana de Ciencias Geológicas, 2023
La Mesa Central (MC) de México es una provincia fisiográfica que consiste en una región elevada, con cotas promedio ~2000 m s.n.m. Dentro de ella se distinguen dos zonas con morfología distinta, la parte norte con grandes planicies y cerros bastante ...
Angel Francisco Nieto-Samaniego   +8 more
doaj   +1 more source

Development of Holocene lacustrine microbialites on the Iberian Peninsula: Insights into environmental and depositional controls using X‐ray CT and petrography

open access: yesSedimentology, EarlyView.
ABSTRACT Microbial mats and microbialites are common in modern and ancient saline lacustrine environments and are highly responsive to biological and environmental factors. As such, they represent important sources of high‐resolution environmental data across a wide range of geological time. Nonetheless, interpretation of fossil mats is non‐trivial due
Connor Doyle   +6 more
wiley   +1 more source

PRIMEROS DATOS SOBRE LOS MICROMAMÍFEROS (ROEDORES E INSECTÍVOROS) COETÁNEOS AL SOLUTRENSE EN LA CUEVA DE KIPUTZ IX (MUTRIKU, GUIPUZKOA, ESPAÑA)

open access: yesEspacio, Tiempo y Forma. Serie I, Prehistoria y Arqueología, 2013
En este artículo describimos los micromamíferos de los lechos del yacimiento paleontológico de Kiputz IX correspondientes a una cronología arqueológica solutrense.
Naroa García Ibaibarriaga   +3 more
doaj   +1 more source

Radioactive element abundances, paleo-heat flows, and the internal evolution of Mars [PDF]

open access: yes, 2011
Depto. de Geodinámica, Estratigrafía y PaleontologíaFac.
Hahn, Brian C.   +6 more
core  

Biome Specialisation in Squirrels: Phylogenetic and Geographic Patterns

open access: yesJournal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim Habitat breadth shapes species' responses to environmental change and influences large‐scale biodiversity patterns. According to Vrba's resource‐use hypothesis, biome specialists (inhabiting a single biome) exhibit higher speciation rates than generalists due to increased population isolation during habitat fragmentation, generally ...
Iris Menéndez   +9 more
wiley   +1 more source

Icnitas de artiodactilos (Mammalia) del Paleogeno de Olcoz (Depresion del Ebro, Navarra)

open access: yesEstudios Geologicos, 1994
Se describe un conjunto de icnitas fósiles de mamíferos ubicado en los alrededores de la localidad navarra de Olcoz (Depresión del Ebro). Las huellas se localizan en niveles areniscosos de la «Formación de Mués», de posible edad Sueviense (Oligoceno ...
H. Astibia   +2 more
doaj   +1 more source

Role of Taphonomy in Biostratigraphic and Evolutionary Interpretations [PDF]

open access: yes, 1989
Depto. de Geodinámica, Estratigrafía y PaleontologíaFac.
Fernández López, Sixto Rafael
core  

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