- Haplotaxida
image_width = 250px
image_caption =Lumbricus terrestris , the Common European Earthworm
regnum =Animal ia
phylum =Annelida
classis =Clitellata
subclassis =Oligochaeta
ordo = Haplotaxida
subdivision_ranks = Families
subdivision = SuborderHaplotaxina
Haplotaxidae
SuborderMoniligastrina
Moniligastridae
SuborderLumbricina
Alluroididae
Eudrilidae
Glossoscolecidae
Lumbricidae
Hormogastridae
Ailoscolidae
Lutodrilidae
Sparganophilidae
Criodrilidae
Ocnerodrilidae
Acanthodrilidae
Octochaetidae
Exxidae
Megascolecidae
Microchaetidae
Eudrilidae
SuborderTubificina
Dorydrilidae
Enchytraeidae
Naididae (including Tubificidae)
Opistocystidae
Phreodrilidae
The Haplotaxida is one of two orders within the subclassoligochaeta , the other being thelumbriculida it is also related with the earthworm.
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