Polycopidae

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Halocyprida
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Ostracoda
Subclass: Myodocopa
Order: Halocyprida
Suborder: Cladocopina
Sars, 1865 [1]
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.[1] 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).[2][3][4][5]

The following genera are included:[6]

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