10/16/2011
1
•
Protozoa
:
» Single Celled Organisms
» Eukaryotic
•
Platyhelminthes -
Flatworms
–
Trematodes, Cestodes
-
•
Nematodes
– Roundworms
•
Arthropods
Cestodes
•
Phylum Platyhelminthes (flatworms)
–
Class Trematoda (flukes)
–
Class Cestoidea (tapeworms)
Lack a mouth and
digestive tract.
– Subclass Eucestoda (true tapeworms)
– Order Pseudophyllidea
» Genus
Diphyllobothrium
,
– Order Cyclophyllidea
» Genera:
Taenia, Hymenolepis, Dipylidium
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