Tricladida

Tricladida

Taxobox
name = Triclads



image_width = 200px
image_caption = "Schmidtea mediterranea"
regnum = Animalia
phylum = Platyhelminthes
classis = Turbellaria
subclassis = Archoophora
ordo = Tricladida
ordo_authority = Lang, 1884
subdivision_ranks = Sub orders
subdivision =
*Cavernicola
*Maricola
*Paludicola
*Terricola

Tricladida (Triclads) [ITIS | ID = 54468 | taxon = Trachymedusae | year = 2007 |date=July 23] is an order of the Turbellaria, a group of free-living flatworms.

Tricladida (Lang, 1884) is characterized by triply-branched intestine and anteriorly situated ovaries, next to the brain. Today it is split into three suborders, according to their habitats: Maricola, which is marine; Paludicola, which inhabits freshwater; and Terricola, which is land-dwelling (Hallez 1892). Recently, the adding of a new suborder, Cavernicola (Sluys 1990), was proposed for freshwater cave species.

Tricladida includes the Planariidae (planarians).

References

External links

* [http://creatures.ifas.ufl.edu/misc/land_planarians.htm land planarians] on the UF / IFAS Featured Creatures Web site


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