Cladocopina
| Halocyprida | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Ostracoda |
| Subclass: | Myodocopa |
| Order: | Halocyprida |
| Suborder: |
Cladocopina Sars, 1865 |
| Superfamily: |
Polycopoidea Sars, 1865 |
| Family: |
Polycopidae Sars, 1865 |
Polycopidae is a family of marine ostracods. Its members are related to animals in the suborder Halocypridina, but are sufficiently distinct to be placed in their own sub-order, Cladocopina. There is speculation that a separate order may be warranted. The genera in the family differ from the other suborder, Halocypridina, in several features: the central adductor muscle scars are in a triangular (3 scars) or half-rosette (15 scars) pattern, they lack sixth and seventh limbs, and the maxilla (=fourth limb) has both an exopod and endopod (the maxilla in the Halocypridina lacks an exopod).
The following genera are included:
...
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