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Published: 2016-01-12

Myostenostomum Bulbocaudatum (Catenulida, Stenostomidae): new for Ukraine, rare for the World

I.I. Schmalhausen Institute of Zoology NAS of Ukraine, B. Khmelnitsky str., 15, Kyiv, 01601 Ukraine.
Platyhelminthes Catenulida Stenostomidae


At present, the stenostomid genus Myostenostomum Luther, 1960 according to Artois et al. (2013) contains 7 species: M. Bulbocaudatum Luther (type species), M. ilmenicum Rogozin, M. lutheri Rogozin, M. marcusi Rogozin, M. vanderlandi Rogozin, M. fasciatum (Veydovsky) and M. gigerium (Kepner & Carter), although the two latter are thought to belong to the genus Stenostomum Schmidt (Tyler et al. 2006–2015). A remarkable feature of the representatives of the genus Myostenostomum is a muscular ring on their gut.



  1. Artois, T., Schockaert, E. & Tyler, S. (2013) World checklist of freshwater Turbellaria, World Wide Web electronic publication. Available from: (accessed 14 November 2013)

    Tyler, S., Schilling, S., Hooge, M. & Bush, L.F. (Comp.) (2006–2015) Turbellarian taxonomic database. Version 1.8. Available from: (accessed 14 October 2015)

    Luther, A. (1960) Die Turbellarien Ostfennoskandiens. I. Acoela, Catenulida, Macrostomida, Lecithoepitheliata, Prolecithophora, und Proseriata. Fauna Fennica, 7, 1–155.

    Rogozin, A.G. (2012) New and rare species of Turbellaria Archoophora (Catenulida and Macrostomida) for the Russian fauna. Zoologeskii Zhurnal, 91 (6), 643–647. [in Russian]

    Rogozin, A.G. (1992) Short revision of the genus Myostenostomum (Turbellaria, Catenulida). Zoologicheskii Zhurnal, 71, 5–11. [in Russian]