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Showing 1–5 of 5 results
Advanced filters: Author: Luis Palazzesi Clear advanced filters

  • The rise of open-habitat ecosystems in southern South America is thought to have occurred with the spread of hypsodont mammals 26 million years ago. In this study, the fossil record of plants preserved in Patagonia suggests that open-habitat ecosystems emerged 15 million years later than previously assumed.

    • Luis Palazzesi
    • Viviana Barreda
    Research
    Nature Communications
    Volume: 3, P: 1-6

  • Phylogenomic analysis of 7,923 angiosperm species using a standardized set of 353 nuclear genes produced an angiosperm tree of life dated with 200 fossil calibrations, providing key insights into evolutionary relationships and diversification.

    • Alexandre R. Zuntini
    • Tom Carruthers
    • William J. Baker
    ResearchOpen Access
    Nature
    Volume: 629, P: 843-850

  • A better understanding of how grasslands have responded to past environmental changes will help predict the outcomes of future changes. This study explores past climatic fluctuations and shifts in the diversification rate of grasses and daisies, finding strong evidence for a simultaneous increase in their diversification rates following a reduction of atmospheric CO2 in the Cenozoic.

    • Luis Palazzesi
    • Oriane Hidalgo
    • Sebastian Höhna
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Reconstructed floras from southernmost South America during the Middle Eocene Climate Optimum show the impact of this warming event on floral diversity. This reconstructed biota reflects a greenhouse world and offers a climatic and ecological deep time scenario of a sub-Antarctic region in the absence of ice.

    • Damián A. Fernández
    • Luis Palazzesi
    • Viviana D. Barreda
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-9

  • Tropical seagrasses in Patagonia during the Miocene imply a broader paleogeographic distribution than previously recognized, particularly in high South American latitudes indicating warmer sea surface temperatures, based on the seagrass botanical affinities.

    • Carolina Panti
    • José I. Cuitiño
    • Luis Palazzesi
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 6, P: 1-11