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#helmetia — Public Fediverse posts

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

  1. Ancient #fossil sheds big light on #evolution enigma, solving a 100-year arthropod mystery
    phys.org/news/2025-04-ancient-

    "#Helmetia expansa belongs to a rare group of early #arthropods called concilitergans, close relatives of #trilobites. Unlike trilobites, concilitergans lacked calcified exoskeletons, so their remains only fossilized under exceptional conditions—like those in the 508-million-year-old #BurgessShale of Canada, where even soft tissues like guts, legs, and gills were preserved."

  2. Ancient #fossil sheds big light on #evolution enigma, solving a 100-year arthropod mystery
    phys.org/news/2025-04-ancient-

    "#Helmetia expansa belongs to a rare group of early #arthropods called concilitergans, close relatives of #trilobites. Unlike trilobites, concilitergans lacked calcified exoskeletons, so their remains only fossilized under exceptional conditions—like those in the 508-million-year-old #BurgessShale of Canada, where even soft tissues like guts, legs, and gills were preserved."

  3. Ancient #fossil sheds big light on #evolution enigma, solving a 100-year arthropod mystery
    phys.org/news/2025-04-ancient-

    "#Helmetia expansa belongs to a rare group of early #arthropods called concilitergans, close relatives of #trilobites. Unlike trilobites, concilitergans lacked calcified exoskeletons, so their remains only fossilized under exceptional conditions—like those in the 508-million-year-old #BurgessShale of Canada, where even soft tissues like guts, legs, and gills were preserved."

  4. Ancient #fossil sheds big light on #evolution enigma, solving a 100-year arthropod mystery
    phys.org/news/2025-04-ancient-

    "#Helmetia expansa belongs to a rare group of early #arthropods called concilitergans, close relatives of #trilobites. Unlike trilobites, concilitergans lacked calcified exoskeletons, so their remains only fossilized under exceptional conditions—like those in the 508-million-year-old #BurgessShale of Canada, where even soft tissues like guts, legs, and gills were preserved."

  5. Ancient #fossil sheds big light on #evolution enigma, solving a 100-year arthropod mystery
    phys.org/news/2025-04-ancient-

    "#Helmetia expansa belongs to a rare group of early #arthropods called concilitergans, close relatives of #trilobites. Unlike trilobites, concilitergans lacked calcified exoskeletons, so their remains only fossilized under exceptional conditions—like those in the 508-million-year-old #BurgessShale of Canada, where even soft tissues like guts, legs, and gills were preserved."