Overview

Distribution

Kleinhüningen near Basel, Switzerland
Collection date: prior to 1894
Salin: freshwater

Neudorf, Switzerland
Collection date: prior to 1894
Salin: freshwater

Reinach, Switzerland
Collection date: prior to 1894
Salin: freshwater

Bärschwil (Bärschwyl, Barschwil-Dorf), Switzerland
Collection date: prior to 1894
Salin: freshwater

People’s Democratic Republic of Algeria (Al-Jaza’ir, L’Etat Algerien, Algérie), Africa
Collection date: 1921 or earlier
Salin: freshwater

People’s Democratic Republic of Algeria (Al-Jaza’ir, L’Etat Algerien, Algérie), Africa
Collection date: 1923 or earlier
Salin: freshwater

People’s Democratic Republic of Algeria (Al-Jaza’ir, L’Etat Algerien, Algérie), Africa
Collection date: 1928 or earlier
Salin: freshwater

Morocco
Collection date: 1932 or earlier
Salin: freshwater

Morocco
Collection date: 1932 or earlier
Salin: freshwater

Atlas Mountains, Morocco
Collection date: 1951 or earlier
Salin: freshwater

Lago Maggiore, Italy
Collection date: 1950 or earlier
Salin: freshwater

Belgium
Collection date: 1911-1935
Salin: freshwater

Piedmont (Piemonte, Pedemontium, Pedemons), Italy
Collection date: 1933 or earlier
Salin: freshwater
Comments: Piedmont streams, including streams in the Susa and Lanzo valleys.

Valle di Susa, Piedmont (Piemonte, Pedemontium, Pedemons), Italy
Collection date: 1933 or earlier
Salin: freshwater
Comments: Piedmont streams, including streams in the Susa and Lanzo valleys.

Torrente Sangone (Sangone stream), Italy
Collection date: 1933 or earlier
Salin: freshwater

old Yugoslavia (Jugoslavia)
Collection date: 1934 or earlier

Macedonia
Collection date: 1934 or earlier

Oraway (Oravska, Orawska) Valley, Slovakia
Collection date: 1932 or earlier
Salin: freshwater
Comments: egg cocoons found at 7 C. temp., and adults only at 8.5 C.

Cardiganshire (Cardigan, Aberteifi), United Kingdom
Collection date: 1928 or earlier
Salin: freshwater
Comments: occurs in Cardiganshire streams almost down to the tidal limit.

Cardiganshire (Cardigan, Aberteifi), United Kingdom
Collection date: 1928 or earlier
Salin: freshwater
Comments: Cardiganshire streams.

Poprad, Slovakia
Collection date: 1926 or earlier
Salin: freshwater

Weser River Estuary, Lower Saxony, Germany
Collection date: 1926 or earlier
Salin: freshwater
Comments: lower Weser in a spring and artificial water area.

Feldberg mountains, Bayern Land, Germany
Collection date: 1892 or earlier
Salin: freshwater

Siebengebirge mountains, Nordrhein-Westfalen Land, Germany
Collection date: 1892 or earlier
Salin: freshwater

Altkonig moutains, Hessen Land, Germany
Collection date: 1892 or earlier
Salin: freshwater

Rügen Island (Rugia), Germany
Collection date: 1908 or earlier
Comments: introduced?

Outer Hebrides (Western Isles, Western Island, Long Island), Scotland, United Kingdom
Collection date: 1958 or earlier
Comments: .... scarce in the Western Islands and the north of Scotland and it may be excluded from harsher habitats as a result of competition for food with P. nigra...

Great Britain (England, Scotland, and Wales)
Collection date: 1958 or earlier
Comments: .... scarce in the Western Islands and the north of Scotland and it may be excluded from harsher habitats as a result of competition for food with P. nigra...
  • Fuhrmann O. 1894. index card avail.
     . Die Turbellarien der Umgebung von Basel. Inaugural-Dissertation. Rev Suisse Zool 2: 213-292.
  • Lauterborn R. 1921.   . Faunistische Beobachtungen aus dem Gebiete des Oberrheins und des Bodensees. Mitt. bad. Landesver. Naturk. Natursch. Freiburg (N. F.) 1: 113-120.
  • Gauthier H. 1923.   . Observations sur quelques Planaires d'Algerie. Bull Soc Hist Nat d Afrique du Nord 14:30-34.
  • Gauthier H. 1928.   . Recherches sur la faune des eaux continentales de l'Algérie et de la Tunisie. These Faculté des Sci. Univ. Paris 1-419.
  • Beauchamp Pde. 1932.   . Sur une collection de turbellaries d'eau douce (Triclades) du Maroc, rassemblée par Robert Pn. Dollfus. Bull. Soc. Sci. Nat. Maroc 12 :221-222.
  • Beauchamp Pde. 1932. index card avail.
    abstract/note. Biospeologica 56. Turbellaries, Hirudinees, Branchiobdellides. 2:me serie. Arch zool exp 73: 113-380.
  • Beauchamp Pde. 1951.   . Nouvelles stations des Planaires rhéophiles dans l'Atlas. Bull Soc Sc Nat du Maroc 29: 251-252.
  • Steinböck O. 1951.  abstract/note. Turbellarienstudien am Lago Maggiore. I. I. Inst Ital. Idrobiol. Dott. Marc 6:137-164.
  • Oye EL van. 1941.  abstract/note. Verbreitung und Oekologie der paludicolen Tricladen in Belgien. Arch. Hydrobiol. 38(1): 110-147, 13 f. t. I-II.
  • Benazzi M. 1933.  abstract/note. Notizie biologico-faunistiche sulle Tricladi delle Alpi Piemontesi. Boll Mus Zool Anat comp Torino 43:297-311.
  • Beauchamp Pde. 1934.  abstract/note. Quelques Turbellaries des Balkans et d'Asie mineure. Bull Soc zool de Fr 59: 203-209.
  • Roszkowski W. 1932.  abstract/note. A new station of Polycelis cornuta (Johns.). Fragmenta Faunistica Mus. Zool. Polon. 1 (16): 419-424.
  • Carpenter K. 1928.  abstract/note. On the distribution of freshwater Turbellarian in the Aberystwyth district, with special reference to two ice-age relics. J. Ecol. 16: 105-122.
  • Carpenter K. 1928.  abstract/note. On the tropisms of some freshwater planarians. Brit Jour Exp Biol 5(3): 196-203.
  • Modlinger G. 1926.  abstract/note. Adatok a Magas-Tatra es Planaria-Faunfijahoz, [Planarian fauna of the high Tatras and their environs.]. Matem Ter Meszett Ertesito 43: 585-596.
  • Klie W. 1926.  abstract/note. Uber das Vorkommen von Polycelis cornuta im Gebiete der Niederweser und uber einige damit zusammenhangende biologische und tiergeographische Fragen. Aus der Heimat fur Die Heimat Beitrage zur Naturkunde Nordwestdeutschlands 3: 3-13.
  • Voigt W. 1892.  abstract/note. Karten über die Verbreitung von Planaria alpina und P. gonocephala im Siebengebirge und am Feldberg und Altkönig im Taunus. Sitzungsber. Niederrhein. Ges. zu Bonn. 1892. page 104.
  • Thienemann A. 1908.   . Thuringer Tricladen, in die Bache Jasmunds eingesetzt. Zool. Anz., Leipzig. 32: 597.
  • Dahm AG. 1958. index card avail.
     . Taxonomy and ecology of five species-groups in the family Planariidae (Turbellaria Tricladida Paludicola). Malmoe Nya Litografan 241 p. (incl 5 t) Diss Lund.
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© National Science Foundation - Turbellarian Taxonomic Database

Source: Turbellarian Taxonomic Database

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North Africa and Europe.

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Physical Description

Diagnostic Description

Planariid with a row of eyes in the margin of the anterior part of the body. It has a pair of tentacles on its head.

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Ecology

Habitat

Alpine lakes and upper river reaches.

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General Ecology

Ecology

Stenothermal species of cold waters.

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Life History and Behavior

Life Cycle

Direct development, without larval stages.

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