Jellyfish- Cnidaria (Aurelia) 

Porifera (sponge) 

Venus Flower Basket-

silicon spicules and lattice-like skeleton

shaped like a cylinder or vase 

Yellow sponge

  spongin spicules 

 Grantia Sponge of class calcarea

spicule type of calcium carbonate

Grantia- calcium carbonate spicules 

Hydrazoans

tissues derived from embryonic cell layers

have ectoderm and edoderm 

Planaria 

bilateral symmetry

move slowly by cilia gliding on excreted mucus

have eye spots and lateral flaps that detect chemicals 

Clonorchis sinensis,

parasites  of vertebrates, two suckers attach to host

Nereis 1

Nereis 2 

Earthworm (lumbricus)

Tape Worm- Cestoda 

parasites no head or digestive system

Fasciola Hepatica (Adults) Liverflukes 

Invertebrate Diagram- Worms 

Ascaris: Intestinal Worm