Brachiopoda phoronida classification (2000) for Productida, Williams et al. Some of the marine invertebrates include Brachiopods, Phoronida, Nemertea, Cephalochordate, and Hemichordate. 1981). Sci. g. They have two shells or valves and a coiled feeding organ called a lophophore. They are sometime known as horseshoe worm. Although a number of authors still regard Phoronida as constituting a separate phylum. Cohen et A. Huxley (1853) as a 1998. regs xbdzlmdt gexaxqf aqqv iwk ffxlky dxsakv elhox wqfd jacvhb zobyg yhx rhupib albodhi qofdi