No tentacles . . . . . . . . . . . . . . . . . . . . go to 6 go to 7 6. White Anemone Whip Mud Worm 7. Sizes range from the elusive giant squid to nearly microscopic forms. Filter feeders, some are sessile and some are mobile by the use of a muscular foot. Barnacles are sessile but most of this class are highly mobile using all of their 10 legs for movement.
Barnacles are filter feeders using their legs to snare plankton from the water.
The lacy crust bryozoan in the picture forms colonies on living and nonliving substrate. They capture their food with the use of small tentacles that extend from each compartment of the colony. Entoprocts Phylum - Entoprocta , these unique animals can grow as colonies or individuals. The species shown in the photograph is a colinial type known as loxosoma and is common in estuaries like the Chesapeake Bay. Both names have been used for this Phylum.