Vermes. Rotiferi. Gastrotricha
Class Monogononta, common inhabitants of freshwater lakes and ponds.
Some sessile forms are: female and male of Epiphanes (1, 6), Collotheca (3) and Floscularia (4).
Pharynx (mastax) is equipped with hard jaws (trophi) for grinding food particles (2).
Phylum Gastrotricha, living in fresh, brackish, and salt water.
Taxon Chaetonotida (8), mainly in freshwater.
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• Zoologia, Vermi, Tavola didattica
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