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, typic ...
s. Members of the subclass Podocopa can be differentiated from the other subclass of ostracods (
Myodocopa) by the morphology of the second
antenna
Antenna ( antennas or antennae) may refer to:
Science and engineering
* Antenna (radio), also known as an aerial, a transducer designed to transmit or receive electromagnetic (e.g., TV or radio) waves
* Antennae Galaxies, the name of two collid ...
: 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
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Arthropod subclasses
{{ostracod-stub