Flatworms and Roundworms Vocab

Class: Turbellaria

All free-living (non-parasitic) flatworms

Class: Trematoda

Parasitic flatworms known as flukes

Class: Cestoda

Parasitic flatworms known as tapeworms

Location Of Turbellaria Worms

Freshwater Streams, Canals, Ditch

Hermaphroditic

Both male and female sex organs are present.

Cuticle

Non-living layer of protein that covers the skin.

Tegument

A living extra thick layer of skin tissue.

Canine Heartworms

Dirofilaria

Old Hookworm

Ascylosma

New Hookworm

Necator

Tape Worm

Phylum Nematoda

Roundworms

Location Of Roundworms

Within soil.

Phylum Platyhelminthes

Flatworms

Cephalization

Head at the anterior end

Pharynx

straw that sucks up food

Flame cells

Helps remove waste.

Liver Fluke

Clornorchis

Blood Fluke

Schistosoma

Rostellum

Hooks on tapeworms head

Phylum: Annelida

Segmented Worms