''Haplocelis'' is a genus of
worm
Worms are many different distantly related bilateral animals that typically have a long cylindrical tube-like body, no limbs, and no eyes (though not always).
Worms vary in size from microscopic to over in length for marine polychaete wor ...
s belonging to the family
Isodiametridae
Isodiametridae is a family of acoel
Acoela, or the acoels, is an order of small and simple invertebrates in the subphylum Acoelomorpha of phylum Xenacoelomorpha, a deep branching bilaterian group of animals, which resemble flatworms. Histori ...
.
The species of this genus are found in Western America.
Species:
* ''Haplocelis dichona''
(Marcus, 1954)
References
{{Taxonbar, from=Q41253744
Acoelomorphs