Kinorhyncha
From ZooTerms (Dictionary of Invertebrate Zoology)
phylum of free-living marine invertebrates, with joined segments and spines; sometimes called the Echinoderida or considered a class of Aschelminthes or Nemathelminthes.
Kinorhyncha also kinorhynchs (noun, plural; Greek kinein, to move; rhynchos, snout): A