The Spiralia are a significant group of protostomes that produce by spiral cleavage while in the early embryo.[136] The Spiralia's phylogeny continues to be disputed, nevertheless it incorporates a considerable clade, the superphylum Lophotrochozoa, and lesser groups of phyla including the Rouphozoa which includes the gastrotrichs and also the flatworms. http://normanc025jfb5.theideasblog.com/profile