Rotifers are microscopic aquatic animals. Animals in the Phyla Rotifera are bilaterally symmetrical.  Both sexual and asexual reproduction occur in Rotifers. Psuedocoelmate is when an invertebrate has a fluid filled cavity and is not lined with mesoderm tissue.  I find it interesting that an organism can have a fluid filled cavity and still be able to perform the same types of processes us humans do.  

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Philodina

Philodina is one of the first
​Rotifers to be described with many details. It is transparent, with easy internal organs to see.

Collotheca

Collotheca is one of few Rotifers that only contains one ovary. They are also sessile meaning attached to a colony or substrate.

Ploesoma

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