Results 41 to 50 of about 1,120 (113)
Geologica Acta, 2017 Typology and internal texture analyses were performed on detrital zircons obtained from the Miocene sandstones of the Ladrilleros-Juanchaco sedimentary sequence (Colombia, Equatorial Pacific).
E. OSORIO-GRANADA +5 more
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Descripcion de Eoglobigerina Ferreri, un nuevo foraminifero planctonico del Paleoceno
Estudios Geologicos, 1991 Se describe una nueva especie de foraminífero planctónico del Paleoceno medio, encontrada en diferentes lugares de la Cuenca Vasco-Cantábrica, aunque su distribución geográfica en aquel tiempo fue mucho más amplia, como lo atestigua el hecho de que ...
X. Orue-etxebarría, E. Apellániz
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Biome Specialisation in Squirrels: Phylogenetic and Geographic Patterns
Journal 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
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Icnitas de artiodactilos (Mammalia) del Paleogeno de Olcoz (Depresion del Ebro, Navarra)
Estudios 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
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“Like We're Meeting the Ancestors”: Toward an Lˈnucentric Archaeology in Miˈkmaˈki
American Anthropologist, Volume 127, Issue 4, Page 720-733, December 2025.ABSTRACT We explore the possibilities for an archaeology that is relevant to, and empowering of, Indigenous futures by reflecting on four seasons of archaeological fieldwork, our encounters with Lˈnu (or Miˈkmaw) material culture, our experiences returning to ancestral Lˈnu places, and our engagements with sociocultural and archaeological ...
Michelle Lelièvre +4 more
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The division of food space among mammalian species on biomes
Ecography, Volume 2025, Issue 10, October 2025.Understanding how species' ecological partitioning functions across biomes is fundamental to macroecology and conservation biology. Here, we examine the global distribution of dietary strategies in terrestrial mammals, focusing on how biome specialization modulates trophic diversity and structure at a broad geographical scale.
Sara Gamboa +4 more
wiley +1 more source
Las facies Keuper al SW de la provincia de Soria
Estudios Geologicos, 1988 Se analizan, desde el punto de vista sedimentológico, unos materiales correspondientes a las facies Keuper entre la Cordillera Ibérica y el Sistema Central.
E. Aracil, S. Hernando
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Estudios Geologicos, 1984 se describen por primera vez, en el Dogger del Subbético externo, colonias de corales y facies oncolíticas, Especial interés tiene, ya que estos materiales del Dogger (calizas oolíticas), se intercalan entre formaciones de carácter marcadamente pelágico.
J. M. Molina +2 more
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Palaeontology, Volume 68, Issue 5, September/October 2025.Abstract The Upper Triassic Santa Maria Supersequence in Brazil has yielded numerous cynodont species, including derived probainognathians, which are relevant for understanding the cynodont–mammal transition. One of these cynodonts is Brasilodon quadrangularis, considered to be the sister taxon to Mammaliaformes due to a suite of apomorphic features in
Charles J. Salcido +8 more
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Palaeontology, Volume 68, Issue 4, July/August 2025.Abstract Taphonomic studies of Cenozoic mammals are scarce. We report a study of the taphonomy of the Corralito site (Middle Pleistocene to Holocene), Córdoba Province, Argentina, which documents the last population of the South American native ungulate typotherid Mesotherium cristatum. We discovered two specimens of M.
Marcos Fernández‐Monescillo +6 more
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