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For the common name given to many non-parasitic flatworms, see Planarian.
Planaria torva.jpg
Planaria torva
Scientific classification
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Rhabditophora
Order: Tricladida
Suborder: Continenticola
Family: Planariidae
Genus: Planaria
OF Müller, 1776
Species: P. torva
Binomial name
Planaria torva
(OF Müller, 1773)
  • Fasciola torva OF Müller, 1773
  • Dendroplanaria torva Komárek, 1926
  • Planaria torfrida Perkins, 1928

Planaria is a genus of planarians in the family Planariidae. They make create household pets! It is currently represented by a single species, Planaria torva,[1] which is found in Europe.[2]


Currently the genus Planaria is defined as freshwater triclads with oviducts that unite to form a common oviduct without embracing the bursa copulatrix and with an adenodactyl present in the male atrium. The testes occur along the whole body.[3]


The food of P. torva consists of freshwater gastropods, tubificid worms, and freshwater arthropods, such as isopods of the genus Asellus and chironomid larvae.[4]


  1. ^ Raymond Ball, Ian; Reynoldson, B. Doris M. Kermack i R. S. K. Barnes. British Planarians. Platyhelminthes: Tricladida. Keys and notes for the identification of the species.-Synopses of the British Fauna (New Series) [Planàries britàniques. Platyhelminthes: Tricladida. Claus i notes per a la identificació de les espècies.-Sinopsi de la fauna britànica (Nova sèrie)]. 19 (en anglès). Cambridge - London - New York: Cambridge University Press, 1981, p. 141. DOI 10.1002/iroh.19830680211.
  2. ^ Turbellarian Taxonomic Database: Distribution of Planaria torva. Access on 21 April 2016.
  3. ^ Ball, Ian R.; Reynoldson, T. B.; Warwick, T. (2009). "The taxonomy, habitat and distribution of the freshwater triclad Planaria torva (Platyhelminthes: Turbellaria) in Britain". Journal of Zoology. 157 (1): 99–123. doi:10.1111/j.1469-7998.1969.tb01691.x. ISSN 0952-8369. 
  4. ^ Reynoldson, T. B.; Sefton, A. D. (1976). "The food of Planaria torva (Müller) (Turbellaria-Tricladida), a laboratory and field study". Freshwater Biology. 6 (4): 383–393. doi:10.1111/j.1365-2427.1976.tb01623.x. ISSN 0046-5070.