Palaeacaroidea is a superfamily of mites. There are 20 species of Palaeacaroidea, in 8 genera and 3 families. It includes groups like Palaeacaridae, Adelphacaridae, and Ctenacaridae.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry