1. BRYOZOANS, PHORONOIDS, LAMP SHELLS
LOPHOPORATES
BRYOZOANS, PHORONOIDS, LAMP SHELLS

2. LOPHOPHORATE CHARACTERISTICS
3 groups
Have a unique feeding structure called the lophophorate which is a set of ciliated tentacles arranged in a horseshoe shape
Suspension feeders
No segmentation
Bilateral symmetry
U-shaped gut

3. BRYOZOANS- form colonies on seaweeds, rocks and other species
4500 species; almost all marine
In phylum Ectoprocta
Colonies of individuals called ZOOIDS that secrete skeletons of various shapes
Lopophore is retractable
U-shaped gut ends in an anus outside the edge of the lophophore

7. PHORONOIDS-worm-like and build tubes
Horseshoe-shaped or circular lophopore
20 species
Burrow in sand or attach tubes to hard surfaces
Very small

9. LAMP SHELLS OR BRACHIOPODS
350 SPECIES
Shell w/2 valves that are dorsal and ventral to the body
Have a lophophore- w/2 ciliated and coiled arms
Attached to rocks or burrowed in soft sediment

11. ARROW WORMS
CHAETOGNATHS

12. Characteristics of Arrow worms
About 100 species
Transparent; streamlined; fish-like fins and tail
Head has eyes, grasping spines and teeth
Up to 4”
carnivores

13. Arrow worm