Other Spiralian Phyla

Other Spiralian Phyla is a Browse By group of the Nature Atlas that gathers minor animal phyla placed among the Spiralia, the protostome animals that include the molluscs and the annelid worms, that have no group of their own in this subcategory, such as the peanut worms, the gastrotrichs, the tiny cycliophorans such as Symbion and the arrow worms. An entry belongs here when its own cited article describes a small marine or freshwater animal phylum placed in or near the Spiralia. It excludes the rotifers, the ribbon worms and the lophophorate phyla, which have groups of their own. The group lets a reader compare these small and unusual spiralian animals.