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Project Noah Nature School
Class: Turbellaria - Genus: Gieysztoria
Flatworms are considered to be the most primitive animals having bilateral symmetry. They are so primitive, in fact, that they utilize the same opening for eating food and expelling waste. They are very flexible and are constantly expanding and contracting as seen in these images.
Shallow pond in rural SW Pennsylvania
Spotted on Jan 13, 2013
Submitted on Jan 14, 2013
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