Phylum Platyhelminthes

Flatworms!

Our friend the Planaria
Marine: Orsaki Flatworm – Maiazoon orsaki
Marine: Pseudobiceros gloriosus
Marine: Pseudoceros zebra
This head has hooks to hang out to the hosts intestines.  Clever, huh?
This head has hooks to hang out to the host’s intestines. Clever, huh?

They have a single opening that functions as both the mouth and anus. Yum! Most platyhelminthes also have a series of specialized organs called protonephridia (“first kidney”) which help to filter waste out of their bodies.

This video shows the mouth/anus (pharynx) really well:

This is a land planarian:

Now, I’ve watched lots of gross movies with parasites/ worms in your face/ tapeworm….this one is pretty mild. It’s a fluke that is living in a minnows eye.

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