Klauser MD, Smith JPS, Tyler S 1986 (citation)- Ultrastructure of frontal organ in Convolua 'pulchra', Macrostomum hystricinum marinum, Macrostomum sp III.
Rogozin AG 1994 (citation)- "Key to freshwater invertebrates of Russia and adjacent lands." Taxa included are: Bothromesostoma Braun 1885 Castrada Schmidt 1862 Castrella Fuhrmann 1900 Catenulida Meixner 1924 Dalyellia Flemming 1822 Dalyelliidae Gieysztoria Ruebush & Hayes 1939 Macrostomida Karling 1940 Macrostomum Schmidt 1848 Mesostoma Ehrenberg 1837 Microdalyellia Gieysztor 1938 Microstomum Schmidt 1848 Olisthanella Voigt 1892 Opistomum Schmidt 1848 Phaenocora Ehrenberg 1835 Prorhynchidae Hallez 1894 Stenostomidae Vejdovsky 1880 Stenostomum Schmidt 1848 Strongylostoma Orsted 1843 Tricladida Typhloplanidae
Notes from synonyms
Notes for Macrostomidae MacrostomaVon Graff (1905) states on page 109 that according to Agassiz the genus Macrostoma was already given to a fish genus by Risso 1826.
Notes for Macrostomidae AxiaFrom Schärer et al. 2011 (citation): "Papi (citation), based on a detailed study of the female antrum, moved Macrostomum gieysztori to the genus Promacrostomum, which is characterized by two female genital openings (citation). Finally, Ferguson (citation) moved the species to the new genus, Axia, to distinguish it from Promacrostomum paradoxum An-der-Lan 1939 (citation), which has a connection between the female antrum and the gut, a feature that is absent in this species. Given that our specimen clusters well within the genus Macrostomum, we suggest that the old name Macrostomum gieysztori be reinstated. Moreover, we note that the genus name Axia has been occupied by a genus of Lepidoptera since 1821 (citation).
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