The MicrostomidaeLuther, A. 1907. Über die systematische Stellung der Rhabdocoelen-Familie Catenulidae s. str. (Stenostomidae Vejd.). Zool. Anz. 31:718-723. are a family of small basal free-living flatworms ( Macrostomida,

Rhabditophora Rhabditophora (from ''rhabdito''-, rhabdite + Greek -φορος ''phoros'' bearer, i.e., "rhabdite bearers") is a subphylum (previously a class) of flatworms. It includes all parasitic flatworms (clade Neodermata) and most free-living species ...

Platyhelminthes Platyhelminthes (from the Greek πλατύ, ''platy'', meaning "flat" and ἕλμινς (root: ἑλμινθ-), ''helminth-'', meaning "worm") is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called f ...

), and members of the marine, brackish, freshwater

meiobenthos Meiobenthos, also called meiofauna, are small benthic invertebrates that live in marine or freshwater environments, or both. The term ''meiofauna'' loosely defines a group of organisms by their sizelarger than microfauna but smaller than macr ...

and

plankton Plankton are the diverse collection of organisms that drift in Hydrosphere, water (or atmosphere, air) but are unable to actively propel themselves against ocean current, currents (or wind). The individual organisms constituting plankton are ca ...

. There are currently about 40 named species in this family.Tyler, S., Schilling, S., Hooge, M., and Bush L. F. (comp.) (2006-2009) Turbellarian taxonomic database. Version 1.5

References

External links

Turbellarian Taxonomic Database: A listing of the taxonomy of turbellariansMacrostomorpha Taxonomy and Phylogeny EDIT Scratchpad
Turbellaria {{Flatworm-stub