@article {pdf,
	title = {A monograph of Turbellaria (Acoela, Rhabdocoela, Alloecoela and Tricladida) of Japan and its adjacent regions},
	journal = {Kyoto Gakugei Univ. Ser.B.},
	volume = {3},
	year = {1953},
	note = {2809},
	pages = {20-43},
	type = {article},
	abstract = {Mentions:
Microstomum lineare
Microstomum giganteum
Macrostomum appendiculatum
Macrostomum japonicum
Macrostomum saifunicum
Macrostomum gigas
Copy incomplete.},
	keywords = {Macrostomum},
	author = {Okugawa, K I}
}
@article {pdf,
	title = {Beitr{\"a}ge zur Kenntnis der Macrostomiden (Turbellarien)},
	journal = {Acta Zoologica Fennica},
	volume = {78},
	year = {1953},
	note = {2101},
	pages = {1-32},
	type = {article},
	abstract = {Describes:
Macrostomum longituba n. sp.
Macrostomum balticum meridionalis n. var.
Macrostomum karlingi n. sp.
Macrostomum distinguendum (was Macrostomum appendiculatum distinguenda)
Myozona lutheri n. sp.
Mentions:
Macrostomum mystrophorum (from brackish water in Italy)
Macrostomum appendiculatum},
	keywords = {Macrostomum},
	author = {Papi, Floriano}
}
@article {pdf,
	title = {Marine Macrostomida (Turbellaria) from Scandinavia and England},
	journal = {Arkiv f{\"o}r Zoologi},
	volume = {4},
	number = {23},
	year = {1953},
	note = {2648},
	pages = {391-408},
	type = {article},
	abstract = {Describes:
	Microstomum spiriferum n. sp.
	Microstomum hamatum n. sp.
	Mentions:
	Macrostomum appendiculatum
	Macrostomum tuba
	Macrostomum balticum
	Macrostomum rubrocinctum
	Macrostomum pusillum
	Microstomum septentrionale
	Microstomum jenseni
	Microstomum rubromaculatum
	Microstomum papillosum
Many Microstomum appear uncertain.},
	keywords = {Macrostomum},
	author = {Westblad, E}
}
