@article {pdf,
	title = {Beobachtungen {\"u}ber die S{\"u}sswasserturbellarien Nordamerikas},
	journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie},
	volume = {41},
	year = {1885},
	note = {2849},
	pages = {48-76, t. 3-4.},
	type = {article},
	abstract = {Describes:
Macrostomum sensitivum n. sp.
Mentions:
Macrostomum hystrix
Microstoma lineare
Microstoma caudatum},
	keywords = {Macrostomum},
	author = {Silliman, W A}
}
@article {pdf,
	title = {Zur vergleichenden Anatomie der Turbellarien. (Zugleiche ein Beitrag zur Turbellarien-Fauna B{\"o}hmens.) I.},
	journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie},
	volume = {60},
	year = {1895},
	note = {2942},
	pages = {90-162},
	type = {article},
	abstract = {Describes:
Macrostomum obtusum n. sp.},
	keywords = {Macrostomum},
	author = {Vejdovsky, F}
}
@article {pdf,
	title = {Marine Turbellarien Orotavas und der K{\"u}sten Europas},
	journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie},
	volume = {83},
	year = {1905},
	note = {2880},
	pages = {97-179},
	type = {article},
	abstract = {Describes:
Microstomum mundum n. sp.
Macrostomum timavi n. sp.
Mentions:
Microstomum groenlandicum
Macrostomum appendiculatum
Macrostomum gracile},
	keywords = {Macrostomum},
	author = {von Graff, L}
}
@article {pdf,
	title = {Acoela, Rhabdocoela und Alloeocoela des Ostens der Vereinigten Staaten von Amerika},
	journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie},
	volume = {99},
	year = {1911},
	note = {2842},
	pages = {321-428 [or 1-108]},
	type = {article},
	abstract = {Describes:
Microstomum davenporti n. sp.
Mentions:
Microstomum lineare
Macrostomum appendiculatum
Macrostomum sensitivum
Copy incomplete.},
	keywords = {Macrostomum},
	author = {von Graff, L}
}
@article {pdf,
	title = {Studien {\"u}ber Turbellarien aus dem Berner Oberland},
	journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie},
	volume = {85},
	year = {1907},
	note = {2946},
	pages = {391-654},
	type = {article},
	abstract = {Mentions:
Microstomum lineare
Macrostomum appendiculatum
Macrostomum viride},
	keywords = {Macrostomum},
	author = {von Hofsten, N}
}
@article {pdf,
	title = {Turbellarien aus salzgetr{\"a}nkten Wiesenb{\"o}den der deutschen Meeresk{\"u}ste},
	journal = {Zeitschrift f{\"u}r wissenschaftliche Zoologie},
	volume = {163},
	year = {1960},
	note = {2876},
	pages = {210-235},
	type = {article},
	abstract = {Mentions:
	Macrostomum balticum
	Macrostomum spirale},
	keywords = {Macrostomum},
	author = {Ax, P}
}
