Results 31 to 40 of about 598 (157)

How to approach the study of syndromes in macroevolution and ecology

Ecology and Evolution, Volume 12, Issue 3, March 2022., 2022
Syndromes, wherein multiple traits evolve convergently in response to a shared selective driver, form a central concept in ecology and evolution. Recent work has questioned the utility and indeed the existence of some of the classic syndromes, such as pollination and seed dispersal syndromes.
Miranda A. Sinnott‐Armstrong, Rocio Deanna, Chelsea Pretz, Sukuan Liu, Jesse C. Harris, Amy Dunbar‐Wallis, Stacey D. Smith, Lucas C. Wheeler   +7 more
wiley   +1 more source

Teeth of Past and Present Elephants: Microstructure and Composition of Enamel in Fossilized Proboscidean Molars and Implications for Diagenesis

Geochemistry, Geophysics, Geosystems, Volume 22, Issue 4, April 2021., 2021
Abstract Enamel as hardest biological tissue remains unaltered for millions of years and is therefore an excellent archive for studies on paleodiet, paleoecology, paleoclimate, paleoenvironment, biomechanical, and evolutionary studies. However, diagenetic alterations can influence such interpretations and therefore we analyzed the microstructure and ...
Nataniel Białas, Oleg Prymak, Ningthoujam Premjit Singh, Debajyoti Paul, Rajeev Patnaik, Matthias Epple   +5 more
wiley   +1 more source

Extinction of a gomphothere population from Southeastern Brazil: Taphonomic, paleoecological and chronological remarks

Quaternary International, 2013
Abstract During the Quaternary in South America, the gomphotheres were one of the most common elements in the mammal megafauna. They went extinct in an evolutionary event known as the Late-Pleistocene Megafaunal Extinction, of which climate changes and human hunting are commonly claimed as the main possible causes.
L. Avilla, A. Figueiredo, A. Kinoshita, C. Bertoni-Machado, Dimila Mothé, Lidiane Asevedo, O. Baffa, Victor Hugo Dominato   +7 more
semanticscholar   +2 more sources

The Miocene: The Future of the Past

Paleoceanography and Paleoclimatology, Volume 36, Issue 4, April 2021., 2021
Abstract The Miocene epoch (23.03–5.33 Ma) was a time interval of global warmth, relative to today. Continental configurations and mountain topography transitioned toward modern conditions, and many flora and fauna evolved into the same taxa that exist today.
M. Steinthorsdottir, H. K. Coxall, A. M. de Boer, M. Huber, N. Barbolini, C. D. Bradshaw, N. J. Burls, S. J. Feakins, E. Gasson, J. Henderiks, A. E. Holbourn, S. Kiel, M. J. Kohn, G. Knorr, W. M. Kürschner, C. H. Lear, D. Liebrand, D. J. Lunt, T. Mörs, P. N. Pearson, M. J. Pound, H. Stoll, C. A. E. Strömberg   +22 more
wiley   +1 more source

Were late Gomphotheres (Plio-Pleistocene) of the Siwaliks at more Stress as Compared to early Gomphotheres (middle to late Miocene)?

Journal of Bioresource Management, 2020
Gomphotheres existed in the Siwaliks from the middle Miocene (14.2Ma) to the middle Pleistocene (0.8Ma) and became extinct later on. In this paper, we tried to discuss the reasons of such extinction of gomphotheres in the lower Pleistocene time span by considering Linear Enamel Hypoplasia (LEH) among 114 isolated tooth samples to assess whether ...
Ameen, Muhammad, Khan, Abdul Majid, Tahir Waseem, Muhammad, Ahmad, Rana Manzoor, Iqbal, Ayesha, Rafeh, Amtur, Imran, Muhammad   +6 more
openaire   +3 more sources

Feeding ecology of the gomphotheres (Proboscidea, Gomphotheriidae) of America

Quaternary Science Reviews, 2020
Based on data from analyses on previously-reported carbon stable isotope data from dental enamel and dentine from tusks reported in the literature, diets were inferred for the gomphothere genera Amebelodon, Cuvieronius, Gomphotherium, Rhynchotherium, Serbelodon, and Stegomastodon (Proboscidea, Gomphotheriidae) that inhabited the Americas during the ...
Pérez-Crespo, Víctor Adrián, Prado, José Luis, Alberdi, María Teresa, Arroyo-Cabrales, Joaquín, Johnson, Eileen   +4 more
openaire   +2 more sources

Large mammal remains from the early pleistocene site of Podere San Lorenzo (Perugia, Central Italy) [PDF]

, 2019
Most of the research on fossil mammals from Umbria (central Italy) has been carried out in the southwestern branch of the Tiber basin, due to its paleontological richness.
Azzarà, Beatrice, Breda, Marzia, BROBIA ANSOLEAGA, Alba, Buzi, Costantino, Cherin, Marco, Pandolfi, Luca, Pazzaglia, Fausto   +6 more
core   +3 more sources

Anthropogenic seed dispersal: rethinking the origins of plant domestication

, 2020
It is well documented that ancient sickle harvesting led to tough rachises, but the other seed dispersal properties in crop progenitors are rarely discussed. The first steps toward domestication are evolutionary responses for the recruitment of humans as
Spengler, R.
core   +1 more source

Deinotherium levius and Tetralophodon longirostris (Proboscidea, Mammalia) from the Late Miocene hominid locality Hammerschmiede (Bavaria, Germany), and their biostratigraphic significance for the terrestrial faunas of the European Miocene

Journal of mammalian evolution, 2023
During the Miocene, proboscideans reached their greatest diversification, and due to their marked evolutionary changes in dental size and morphology, they comprise an important biostratigraphic/biochronological tool.
G. Konidaris, T. Lechner, Panagiotis Kampouridis, M. Böhme   +3 more
semanticscholar   +1 more source

Applying 40ar/39ar Detrital Sanidine Geochronology to Constrain Stratigraphic Ages From proboscidean-Bearing Strata of the Plio-Pleistocene Camp Rice Formation, Southern New Mexico

New Mexico Geological Society, 2023 Annual Spring Meeting, Proceedings Volume, Theme: "Geological responses to wildfires", 2023
Strata of the uppermost Santa Fe Group are exposed along the axis of the Rio Grande rift throughout central New Mexico and record sedimentation associated with the Plio-Pleistocene integration of the ancestral Rio Grande fluvial system.
B. Hampton, P. Houde, M. Heizler, J. Ricci   +3 more
semanticscholar   +1 more source