Potamodrilidae is a family of meiofaunal annelids, monotypically containing only the genus ''Potamodrilus''. Potamodrialidae is the sister group to

Aeolosomatidae The Aeolosomatidae is a family of very small, aquatic annelid worms, between 0.3 and 10 mm in length and 0.04-0.06 mm in diameter. About 30 species have been described in three genera. These worms are known as suction-feeding worms and occupy fre ...

, by all accounts. Beyond that, its

phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

position is uncertain. The species of this genus are found in Europe. Species: * ''

Potamodrilus fluviatilus Potamodrilidae is a family of Meiofauna, meiofaunal annelids, Monotypic taxon, monotypically containing only the genus ''Potamodrilus''. Potamodrialidae is the sister group to Aeolosomatidae, by all accounts. Beyond that, its Phylogenetics, phyloge ...

'' (Lastockin, 1935) * ''

Potamodrilus rivularis Potamodrilidae is a family of meiofaunal annelids, monotypically containing only the genus ''Potamodrilus''. Potamodrialidae is the sister group to Aeolosomatidae, by all accounts. Beyond that, its phylogenetic position is uncertain. The species ...

'' Lastočkin, 1935

References

Further reading