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Short description: Family of flatworms

Stenostomum simplex.jpg
Stenostomum simplex
Scientific classification e
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Catenulida
Family: Stenostomidae
Vejdovsky, 1880
  • Myostenostomum Luther, 1960
  • Rhynchoscolex Leidy, 1851
  • Stenostomum Schmidt, 1848
  • Xenostenostomum Reisinger, 1976

Stenostomidae is a family of freshwater catenulid flatworms. It is the most species-rich family of catenulids, with about 70 species described, most of them in the Neotropics.[2]

Catenulids of the family Stenostomidae are characterized by the brain divided into four clearly separated lobes, two anterior and two posterior, which lie near the mouth. The preoral zone contains a group of sensor cells with ciliated pits organized in long precerebral series.[3]


  1. Tyler, S. (2010). Stenostomidae Vejdovsky, 1880. In: Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2017). World list of Platyhelminthes. Accessed through: World Register of Marine Species at on 2017-02-14
  2. Damborenea, Cristina; Brusa, Francisco; Almagro, Io; Noreña, Carolina (2011). "A phylogenetic analysis of Stenostomum and its neotropical congeners, with a description of a new species from the Peruvian Amazon Basin". Invertebrate Systematics 25 (2): 155. doi:10.1071/IS10026. ISSN 1445-5226. 
  3. Marcus, Ernst (1945). "Sôbre microturbellarios do Brasil". Comunicaciones Zoologicas del Museo de Historia Natural Montevideo 1 (25): 1–74+4pl. 

Wikidata ☰ Q970260 entry