Halocypridina is a suborder of seed shrimp in the order

Halocyprida The Halocyprida is one of the two orders within the Myodocopa, in turn a subclass of the ostracod Ostracods, or ostracodes, are a Class (biology), class of the crustacean, Crustacea (class Ostracoda), sometimes known as seed shrimp. Some 33,0 ...

. Ostracods of this group often have a dorsoposterior spine on the carapace. The adductor muscle scars show various patterns, in contrast to those of the Cladocopina, which are in a triangular pattern (three scars) or a half-rosette (15 scars). A sixth limb is present (absent in Cladocopina). The group is divided into the Halocypridae and the Thaumatocyprididae.

References

Halocyprida Arthropod suborders {{ostracod-stub