Blar i forfatter "Vikberg Wernström, Joel"

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    • Brachiopod and mollusc biomineralisation is a conserved process that was lost in the phoronid–bryozoan stem lineage 

      Vikberg Wernström, Joel; Gasiorowski, Ludwik; Hejnol, Andreas Helmut (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-19)
      <p><b> Background</b> Brachiopods and molluscs are lophotrochozoans with hard external shells which are often believed to have evolved convergently. While palaeontological data indicate that both groups are descended from biomineralising Cambrian ancestors, the closest relatives of brachiopods, phoronids and bryozoans, are mineralised to a much lower extent and are comparatively poorly represented ...

    • Geometric morphometrics of macro- and meiofaunal priapulid pharyngeal teeth provides a proxy for studying Cambrian “tooth taxa” 

      Vikberg Wernström, Joel; Slater, Ben J; Sørensen, Martin V; Crampton, Denise; Altenburger, Andreas (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-12)
      Priapulids are marine, benthic ecdysozoan worms that feed using a distinctive toothed pharynx. While only a handful of lineages have survived to the present day, the Cambrian priapulid stem group left behind a rich record of articulated body fossils and characteristic trace fossils in the form of burrows. Recently, the fossil record of isolated priapulid cuticular elements including pharyngeal teeth ...