Oceanrorm

The oceanrorm split from the filterorm, moving to the open ocean. They have 10x the number of cells of their ancestor, becoming macroscopic. They have evolve hair-like senors on the side of their bodies, made out of specialized cilia. The largest accumulation is on the side of their heads, which they use detect their surroundings. Their filter throats have moved to the front of their heads. If they ingest something they can't digest they simply defuse it out through their skin.