Podocopida

The Podocopida are an order of ostracods in the subclass Podocopa. It is the most diverse of the five orders of ostracods, and the only one with freshwater species. The group also has a rich fossil record.

The superfamily Cytheroidea in the suborder Cytherocopina consist of non-swimming crawlers and burrowers. Most species are marine, but at least seven extant lineages have independently adapted to freshwater. The largest freshwater family is Limnocytheridae, with about 150 species in 20 genera.

Taxonomy
The following suborders and unassigned taxa are contained in the order Podocopida:


 * Superfamily Carbonitacea
 * Suborder Bairdiocopina
 * Suborder Cypridocopina
 * Suborder Cytherocopina
 * Suborder Darwinulocopina
 * Suborder Sigilliocopina