590 results found
    1. Evolutionary Biology
    2. Plant Biology

    An evidence-based 3D reconstruction of Asteroxylon mackiei, the most complex plant preserved from the Rhynie chert

    Alexander J Hetherington et al.
    The body plan of the 407-million-year-old plant fossil Asteroxylon mackiei comprised three developmentally distinct systems of axes.
    1. Ecology
    2. Evolutionary Biology

    Lichen mimesis in mid-Mesozoic lacewings

    Hui Fang et al.
    The earliest fossil evidence of a mimetic relationship between the Jurassic moth lacewing Lichenipolystoechotes and its co-occurring fossil lichen Daohugouthallus predates modern lichen-insect associations by 165 million years.
    1. Evolutionary Biology

    Preservation of three-dimensional anatomy in phosphatized fossil arthropods enriches evolutionary inference

    Achim H Schwermann et al.
    X-ray imaging reveals well-preserved internal characters in mineralized arthropods from the Paleogene, urging the reexamination of previously neglected fossil collections.
    1. Evolutionary Biology

    A Mesozoic clown beetle myrmecophile (Coleoptera: Histeridae)

    Yu-Lingzi Zhou et al.
    A 99-million year old beetle in amber was a myrmecophile—a social impostor of the earliest-known ant colonies—revealing the most ancient behavioral symbiosis yet discovered in the Metazoa.
    1. Evolutionary Biology
    2. Plant Biology

    An unexpected noncarpellate epigynous flower from the Jurassic of China

    Qiang Fu et al.
    Flowers did bloom in the Early Jurassic.
    1. Evolutionary Biology

    The age of Homo naledi and associated sediments in the Rising Star Cave, South Africa

    Paul HGM Dirks et al.
    Independent dating techniques have established that the H. naledi fossils are between 236 and 335 thousand years old, indicating that small-brained hominins with relatively primitive body shapes co-existed with our early ancestors in Africa.
    1. Evolutionary Biology

    Giant extinct caiman breaks constraint on the axial skeleton of extant crocodylians

    Torsten M Scheyer et al.
    The giant caiman Purussaurus from the Miocene of Venezuela is the first recorded member of crown Crocodylia having three sacrals, thus breaking the otherwise strict vertebral constraint of the group.
    1. Evolutionary Biology
    2. Plant Biology

    Paleobotany: Did flowering plants exist in the Jurassic period?

    David Winship Taylor, Hongqi Li
    The discovery of a fossil that might be the oldest flowering plant will continue the debate on the origin and structure of ancestral flowering plants.
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    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Cretaceous dinosaur bone contains recent organic material and provides an environment conducive to microbial communities

    Evan T Saitta et al.
    Subterranean fossil bone hosts a living microbiome different from the surrounding sediment without evidence of original protein preservation.
    1. Genetics and Genomics
    2. Plant Biology

    Contesting the presence of wheat in the British Isles 8,000 years ago by assessing ancient DNA authenticity from low-coverage data

    Clemens L Weiß et al.
    A computational method to authenticate low-coverage ancient DNA experiments shows that putative wheat sequences from 8000 years old sediments are most likely not of ancient origin.

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