''Citellina'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of nematodes within the

Oxyuridae Oxyuridae is a family of nematode worms of the class Secernentea. It consists of eight genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as ...

family. Species of this genus typically parasitise marmots and ground squirrels of holarctic distribution. It was initially defined by Prendel in 1928, with the type species ''Citellina dispar'' ''Citellina triradiata'' has been recovered from the Spotted Ground Squirrel (''Xerospermophilus spilosoma''), and ''Citellina undulata'' is described from the Long-tailed Ground Squirrel (''Urocitellus undulatus'').

References

Oxyuridomorpha Rhabditida genera {{Rhabditida-stub