''Paralubbockia longipedia'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

copepod Copepods (; meaning 'oar-feet') are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (living in the water column), some are benthos, benthic (living on the sedimen ...

, and the only member of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Paralubbockiidae. The family is characterised by the ventral position of the fifth legs, the possession of a separate maxillary palp, and the form of the endopods of the legs and antennae. The closest relatives of ''Paralubbockia'' are the family

Oncaeidae Oncaeidae is a family of copepod Copepods (; meaning 'oar-feet') are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (living in the water column), some are ben ...

. Initially placed among the

Poecilostomatoida Poecilostomatoida is a suborder of copepods. Although it was previously considered a separate order. Description The classification of these copepods has been established on the basis of the structure of the mouth. In poecilostomatoids the mouth ...

, ''Paralubbockia'' is now considered part of the

Cyclopoida The Cyclopoida are an order of small crustaceans from the class Copepoda. Like many other copepods, members of Cyclopoida are small, planktonic animals living both in the sea and in freshwater habitats. They are capable of rapid movement. Their ...

References

Cyclopoida Cyclopoida genera Monotypic copepod genera {{copepod-stub