Which of the following combinations of phylum and description is incorrect?

A) Echinodermata-bilateral symmetry as a larva, coelom present
B) Nematoda-roundworms, pseudocoelomate
C) Cnidaria-radial symmetry, polyp and medusa body forms
D) Platyhelminthes-flatworms, gastrovascular cavity, acoelomate
E) Porifera-gastrovascular cavity, coelom present