Podocopa

The Podocopa are a subclass of ostracods. Members of the subclass Podocopa can be differentiated from the other subclass of ostracods (Myodocopa) 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
 * Family †Cavellinidae Egorov, 1950
 * Family †Gotlandellidae Sarv, 1978
 * Family †Indivisiidae Egorov, 1954
 * Family †Kloedcytherellidae Kozur, 1985
 * Family †Kloedenellidae Ulrich & Bassler, 1908
 * Family †Kloedenellitinidae Abushik, 1990
 * Family †Knoxitidae Egorov, 1950
 * Family †Miltonellidae Sohn, 1950
 * Family †Monotiopleuridae Guber & Jaanusson, 1964
 * Family †Serenididae Rozhdesvenskaya, 1972
 * Suborder †Metacopina
 * Family †Bufinidae Sohn & Stover, 1961
 * Family †Healdiidae Harlton, 1933
 * Family †Krausellidae Berdan in Benson et al., 1961
 * Family †Quasillitidae Coryell & Malkin, 1936
 * Family †Ropolonellidae Coryell & Malkin, 1936
 * Family †Thlipsuridae Ulrich, 1894
 * Suborder Platycopina
 * Superfamily Cytherelloidea Sars, 1866
 * Family Cytherellidae Sars, 1866
 * Superfamily †Leperditelloidea Ulrich & Bassler, 1906
 * Family †Leperditellidae Ulrich & Bassler, 1906
 * Family †Leperditiidae Jones, 1856
 * Family †Primitiidae Ulrich & Bassler, 1923
 * Order Podocopida
 * Unplaced families
 * Family †Pachydomellidae Berdan & Sohn, 1961
 * Family †Rectellidae Neckaya, 1966
 * Family †Rectonariidae Gruendel, 1962