Stylostomum ellipse
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Ordo: Polycladida
Familia: Euryleptidae
Genus: Stylostomum
Name
Stylostomum ellipse (Dalyell, 1853) Lang, 1884 – Wikispecies link – Pensoft Profile
Remarks
Stylostomum ellipse belongs to the family Euryleptidae and is characterized by: a small to moderate size and oval outline, sometimes pear-shaped; dorsal surface smooth; marginal tentacles very reduced; small cerebral and marginal eye clusters. Stylostomum ellipse is also characterized by the common opening of the male and oral pore, located in front of the pharynx. In contrast, the female pore is situated behind the pharynx. The penis papilla is armed with a tubular pointed stylet and the female system has two uterine vesicles.
Distribution
Only one specimen of Stylostomum ellipse was captured (09/01/2012) from stones in the “O Rodal de Nuestra Señora”, at a depth of 32 metres (42°31.9010N, 008°58.5330W). Stylostomum ellipse is considered a cosmopolitan species. Records of Stylostomum ellipse are distributed around the world including the Mediterranean Sea, Atlantic coast of western Europe (Great Britain, France, Scandinavia), South America (Falkland Island, Tierra de Fuego), South Africa (Cape Town) (Prudhoe 1985[1]) and Antarctica (Hallez 1905[2]). Our samples represent the first record for the Iberian Peninsula.
Taxon Treatment
- Noreña, C; Marquina, D; Perez, J; Almon, B; 2014: First records of Cotylea (Polycladida, Platyhelminthes) for the Atlantic coast of the Iberian Peninsula ZooKeys, 404: 1-22. doi
Other References
- ↑ Prudhoe S (1985) A monograph on polyclad Turbellaria. Oxford University Press, New York.
- ↑ Hallez P (1905) Note préliminaire sur les Polyclades recueillis dans l’Expédition antarctique du ‘Français’. Bulletin de la Société Zoologique de France, Année 1905, 30. Paris 1905, 124–127.
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