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#radiodonts — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #radiodonts, aggregated by home.social.

  1. Paleontologists discover 506-million-year-old predator phys.org/news/2025-05-paleonto

    Early evolvability in arthropod tagmosis exemplified by a new radiodont from the #BurgessShale royalsocietypublishing.org/doi

    "Mosura fentoni was about the size of an index finger and had 3 eyes, spiny jointed claws, a circular mouth lined with teeth and a body with swimming flaps along its sides. These traits show it to be part of an #extinct group known as the #radiodonts, which also included the famous #Anomalocaris"

  2. #Welsh 'weird wonder' #fossils add piece to puzzle of #arthropod #evolution phys.org/news/2022-11-welsh-we

    #Ordovician #opabiniid-like animals and the role of the #proboscis in #euarthropod head evolution nature.com/articles/s41467-022

    A proboscis—thought to represent a fused pair of head appendages—was not unique to #opabiniids, but instead was present in the common ancestor of #radiodonts and modern #arthropods, and through evolutionary time may have reduced to become the labrum of modern arthropods.