For 10 points, name this phylum of animals which has a name meaning "wheel bearer" in Latin.
This phylum is unique in that its members do not exhibit growth or repair after embryonic development is complete. Characteristics of this phylum include chitin-containing trophi, which they use to grind up their food and which are contained in a pharyngeal organ called a mastax. One class in this phylum can survive extreme desiccation by leaving itself in a cysted state, known as cryptobiosis; that class is Bdelloidea. The largest class in this phylum is the Monogononta. This pseudocoelomate phylum gets its name from their crown of cilia that draws a vortex of water into their mouth. For 10 points, name this phylum of animals which has a name meaning "wheel bearer" in Latin.
This phylum is unique in that its members do not exhibit growth or repair after embryonic development is complete.
 Rotifera