@article {pdf,
	title = {Zur Kenntnis der Gattung Macrostoma},
	journal = {Festschrift f{\"u}r Palm{\'e}n, Helsingfors},
	volume = {5},
	year = {1905},
	note = {2148},
	pages = {1-61, 4 plates},
	type = {article},
	abstract = {Mentions:
Macrostomum hystrix
Macrostomum viride
Macrostomum tuba},
	keywords = {Macrostomum},
	author = {Luther, Alex}
}
@article {pdf,
	title = {Die Turbellarien Ostfennoskandiens I. Acoela, Catenulida, Macrostomida, Lecithoepitheliata, Prolecithophora, und Proseriata.},
	journal = {Fauna Fennica},
	volume = {7},
	year = {1960},
	note = {2836},
	pages = {1-155},
	type = {article},
	abstract = {Mentions:
Microstomum lineare
Macrostomum hystricinum
Macrostomum rostratum
Macrostomum finlandense
Macrostomum distinguendum
Macrostomum karlingi
Macrostomum orthostylum
Macrostomum obtusum
Macrostomum balticum
Macrostomum hamatum
Macrostomum lutheri
Macrostomum curvituba
Macrostomum tenuicauda
Macrostomum minutum
Dolichomacrostomum uniporum},
	keywords = {Macrostomum},
	author = {Luther, Alex}
}
@article {pdf,
	title = {Vorl{\"a}ufiges Verzeichnis der rhabdoc{\"o}len und alloeoc{\"o}len Turbellarien Finnlands.},
	journal = {Meddelanden af Societas pro Fauna et Flora Fennica},
	volume = {44},
	year = {1918},
	note = {2939},
	pages = {47-52},
	type = {article},
	abstract = {Mentions:
Microstomum lineare
Microstomum giganteum
Macrostomum appendiculatum
Macrostomum viride
Macrostomum tuba},
	keywords = {Macrostomum},
	author = {Luther, Alex}
}
