The Podocopida are an
order
Order, ORDER or Orders may refer to:
* A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
...
of
ostracod
Ostracods, or ostracodes, are a Class (biology), class of the crustacean, Crustacea (class Ostracoda), sometimes known as seed shrimp. Some 33,000 species (only 13,000 of which are extant taxon, extant) have been identified,Brandão, S.N.; Antoni ...
s in the subclass
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 ...
.
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
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
.
The superfamily Cytheroidea in the suborder Cytherocopina consists 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.
Collecting and Processing Living, Non-Marine Ostracods
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Taxonomy
The following suborders and unassigned taxa are contained in the order Podocopida:
See also
* Cyprididae
Cyprididae is "the most diverse group of freshwater ostracods". It contains over 1000 species, which represents 50% of the known species of freshwater ostracods (other speciose families include Candonidae, with 25%, and Limnocytheridae, with 1 ...
References
Podocopida
Crustacean orders
{{Ostracod-stub