Which Of The Following Has A Pseudocoelom?

Which Of The Following Has A Pseudocoelom? Nematodes or roundworms (see Nematoda), rotifers (see Rotifera), acanthocephalans (spiny-headed worms), kinorhynchs (see Kinorhyncha) and nematomorphs or horsehair worms (see Nematomorpha) are pseudocoelomates. Which invertebrate has a Pseudocoelom? Phylum (includes) Notable Characteristics Example Nematoda (roundworms) pseudocoelom, complete digestive system roundworm Mollusca (snails, clams, squids) true coelom, organ systems,