MixibiusMixibius is a genus of water bear or moss piglet, a tardigrade in the class Eutardigrada.SpeciesMixibius fueginus Pilato and Binda, 1996Mixibius ninguidus Biserov, 1999Mixibius ornatus Pilato, Binda, Napolitano and Moncada, 2002Mixibius saracenus Mixibius sutirae Pilato, Binda and Lisi, 2004