Pseudocoelom
A psuedocoelom surrounds the tissue of the endoderm layer of the cell. Phyla nematoda and rotifera are examples of animals with psuedocoeloms. These psuedocoeloms are the animal's body cavity. All animals that have a psuedocoelem belong to a group of animals called pseudocoelomates.This article is a stub. You can help Wikipedia by expanding it.