''Schmidtea'' is a genus of freshwater

triclad A planarian is one of the many flatworms of the traditional class Turbellaria. It usually describes free-living flatworms of the order Tricladida (triclads), although this common name is also used for a wide number of free-living platyhelm ...

s. Species of the genus ''Schmidtea'' are widely used in

regeneration Regeneration may refer to: Science and technology * Regeneration (biology), the ability to recreate lost or damaged cells, tissues, organs and limbs * Regeneration (ecology), the ability of ecosystems to regenerate biomass, using photosynthesis ...

and

developmental Development of the human body is the process of growth to maturity. The process begins with fertilization, where an egg released from the ovary of a female is penetrated by a sperm cell from a male. The resulting zygote develops through mitosi ...

studies. Until 1991 ''Schmidtea'' was considered as a subgenus of ''

Dugesia ''Dugesia'' (pronounced, /duˈd͡ʒiʒ(i)ə/) is a genus of dugesiid triclads that contains some common representatives of the class Turbellaria. These common flatworms are found in freshwater habitats of Africa, Eurasia, and Australia. ''Dugesi ...

'', then it was elevated to the genus rank.

Phylogeny

Phylogenetic tree including five dugesiid genera after Álvarez-Presas et al., 2008:

References

Dugesiidae {{flatworm-stub