The Podocopa are a subclass of

ostracod Ostracods, or ostracodes, are a class of the Crustacea (class Ostracoda), sometimes known as seed shrimp. Some 70,000 species (only 13,000 of which are extant) have been identified, grouped into several orders. They are small crustaceans, typi ...

s. Members of the subclass Podocopa can be differentiated from the other subclass of ostracods (

Myodocopa Traditionally, the Myodocopa and Podocopa have been classified as subclasses within the class Ostracoda, although there is some question about how closely related the two groups actually are. The Myodocopa are defined by possession of a poorly ca ...

) by the morphology of the second antenna: the Podocopa have a relatively long endopod, whereas the Myodocopa have a relatively long exopod. The seventh limb of the Podocopa has a variety of forms or is absent, but is never an annulated worm-like limb (as seen in some Myodocopa).

Taxonomy

The following orders and unplaced families are recognised in the subclass Podocopa: * Order Palaeocopida * Order Platycopida * Order Podocopida * Unplaced families ** Family † Pachydomellidae Berdan & Sohn, 1961 ** Family † Rectellidae Neckaya, 1966 ** Family † Rectonariidae Gruendel, 1962

References

External links

* * Arthropod subclasses {{ostracod-stub