• Embryonic expression of priapulid Wnt genes 

      Hogvall, Mattias; Vellutini, Bruno Cossermelli; Martin-Duran, José M.; Hejnol, Andreas; Budd, Graham E.; Janssen, Ralf (Journal article; Peer reviewed, 2019-07)
      Posterior elongation of the developing embryo is a common feature of animal development. One group of genes that is involved in posterior elongation is represented by the Wnt genes, secreted glycoprotein ligands that signal ...
    • The larval nervous system of the penis worm Priapulus caudatus (Ecdysozoa) 

      Martin-Duran, José M.; Wolff, Gabriella H; Strausfeld, Nicholas J; Hejnol, Andreas (Journal article; Peer reviewed, 2016-01)
      The origin and extreme diversification of the animal nervous system is a central question in biology. While most of the attention has traditionally been paid to those lineages with highly elaborated nervous systems (e.g. ...