other phylum

• LOPHOTROCHOZOA: SMALLER PHYLA Phylum Nemertea (Rhynchocoela) From Greek Nemertes’, a Mediterranean sea nymph

  • Long proboscis enclosed within a cavity called a rhynchocoel

  • Triploblastic, possibly acoelomate, bilaterally symmetrical,

  • Ciliated epidermis containing mucous glands

  • Complete digestive tract, protonephridia, closed circulatory system

  • Cerebral ganglion, two or three layers body musculature
• Phylum Brachiopoda From Greek brachion,’arm + podos, foot

  • Triploblastic, coelomate, bilaterally symmetrical

  • U-shape gut with or without anus

  • Body enclosed in dorsal and ventral valves

  • Nervous system with a ganglionated circumesophageal ring

  • Open circulatory system with one or more hearts

  • No gas exchange organs

  • Horseshoe-shaped lophophore in anterior mantle cavity