Dalyelliidae is a family of

flatworm The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, ''platy'', meaning "flat" and ἕλμινς (root: ἑλμινθ-), ''helminth-'', meaning "worm") are a phylum of relatively simple bilaterian, unsegment ...

s belonging to the order

Rhabdocoela Rhabdocoela is an order of flatworms in the class Rhabditophora with about 1700 species described worldwide. The order was first described in 1831 by Christian Gottfried Ehrenberg. Most of rhabdocoels are free-living organisms, but some live symb ...

Genera

Genera: * ''Alexlutheria'' Karling, 1956 * ''Austrodalyellia'' Hochberg & Cannon, 2002 * ''Axiola'' Luther, 1955 * '' Castrella'' Fuhrmann, 1900 * '' Dalyellia'' Gieysztor, 1938 * '' Gieysztoria'' Ruebush & Hayes, 1939 * '' Microdalyellia'' Gieysztor, 1938 * ''Sergia'' Nasonov, 1923

References

{{Authority control Rhabdocoela Platyhelminthes families