''Ritteria'' is a monotypic 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

Harrimaniidae Harrimaniidae is a basal family of acorn worms. A taxonomic revision was undertaken in 2010, and a number of new genera and species found in the Eastern Pacific were described. In this family the development is direct without tornaria larva, and ...

. The only species is ''Ritteria ambigua''. The species is found in Eastern Pacific.

References

{{Taxonbar, from1=Q18596684, from2=Q2238465 Enteropneusta Monotypic animal genera