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 Schmidtea mediterranea
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Tricladida (Triclads) [2] 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 [3]. Recently, the adding of a new suborder, Cavernicola [4], was proposed for freshwater cave species.
Tricladida includes the Planariidae (planarians), which includes the Blue Planarian of Australia.
Taxonomy
Linnaean ranks after Sluys et al., 2009[1]:
- Order Tricladida
- Suborder Maricola
- Superfamily Cercyroidea
- Family Centrovarioplanidea
- Family Cercyridae
- Family Meixnerididae
- Superfamily Bdellouroidea
- Family Uteriporidae
- Family Bdellouridae
- Superfamily Procerodoidea
- Family Procerodidae
- Superfamily Cercyroidea
- Suborder Cavernicola
- Family Dimarcusidae
- Suborder Continenticola
- Superfamily Planarioidea
- Family Planariidae
- Family Dendrocoelidae
- Family Kenkiidae
- Superfamily Geoplanoidea
- Family Dugesiidae
- Family Geoplanidae
- Superfamily Planarioidea
- Suborder Maricola
References
- ^ a b Sluys, R., Kawakatsu, M., Riutort, M. & Baguñà, J. 2009. "A new higher classification of planarian flatworms (Platyhelminthes, Tricladida)". Journal of Natural History, vol. 43, pag. 1763-1777.
- ^ Tricladida (TSN 54468). Integrated Taxonomic Information System. Retrieved on July 23 2007.
- ^ Hallez P. (1892). Classification des Ticlades, Bulletin de la Société Zoologique de France.
- ^ Sluys R. (1990). A monograph of the Dimarcusidae (Platyhelminthes, Seriata, Tricladida), Zoologica Scripta, volume 19, Issue 1, Pages 13—29.
External links
- land planarians on the UF / IFAS Featured Creatures Web site
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