Animal Diversity 1 (Phylum Porifera, Cnidaria and Platyhelminthes)
Part I - Phylum Porifera (Sponges)


Representative Sponges (many shapes, sizes, colors)


Sponge Spicules

Grantia (sponge) cross section - 4x

Grantia cross section - 10x
Part II. Phylum Cnidaria
(Class Hydrozoa = Hydra, Obelia, portugese man o' war; Class
Anthozoa = corals and anemones; Class Scyphozoa = jellyfish)

Hydra

Hydra adult with bud

Hydra

Obelia Hydroid colony with feeding (tentacles) and
reproductive (medusae) polyps

Obelia

Obelia medusa

Obelia medusa
Class Anthozoa (Corals and Anemones)

Coral

Corals - many shapes, sizes, colors

Anemone
Class Scyphozoa (Jellyfish)

Cabbage head / Cannonball jellyfish
Part III. - Phylum Platyhelminthes (Class Turbellaria = Planarians,
Class Cestoda = tapeworms, Class Trematoda = flukes)
Class Turbellaria: Planaria


Planaria
Class Trematoda (Flukes):

Clonorchis - Fluke - front end

Clonorchis (Fluke) tail end

Class Cestoda: Tapeworm

Tapeworm segment

Tapeworm scolex