''Lumbriculus genitosetosus'' was described by Holmquist in 1976 from almost 2,000 individuals collected in Northern Alaska. Initially, Holmquist revived the
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
''Thinodrilus'' (previously established by Smith in 1895 for ''Th. inconstans'') for ''L. genitosetosus'', ''
Lumbriculus inconstans
''Lumbriculus'' is a genus of oligochaete annelids.
Species
Species:
*'' Lumbriculus alexandrovi''
*'' Lumbriculus ambiguus''
*'' Lumbriculus caribensis''
*'' Lumbriculus genitosetosus''
*'' Lumbriculus illex''
*'' Lumbriculus inconstans' ...
'' and ''
Lumbriculus ambiguus'' on the basis of the ''
Lumbriculus
''Lumbriculus'' is a genus of oligochaete annelids.
Species
Species:
*''Lumbriculus alexandrovi''
*''Lumbriculus ambiguus''
*''Lumbriculus caribensis''
*''Lumbriculus genitosetosus''
*''Lumbriculus illex''
*''Lumbriculus inconstans''
*''L ...
''-species having only one pair of
vas deferens and
sperm funnels per atrium, whereas the ''Thinodrilus''-species have two (one in the anterior end and one in the posterior); this division is, however, not generally recognised today, even if ''Thinodrilus'' may be a valid subgenus.
''Lumbriculus genitosetosus'', as the name suggests, can be recognised by its modified male genital setae, unique within the
Lumbriculidae
The Lumbriculidae are a family of microdrile oligochaetes common in freshwater environments, including streams, lakes, marshes, wells and groundwater. They should not be confused with the earthworm family Lumbricidae. Many species and genera are ...
.
References
genitosetosus
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