@article {pdf,
	title = {Reports of the Lund University Expedition 1948-49. 11. Turbellaria},
	journal = {Kungl. Fysiografiska S{\"a}llskapets Handlingar NF},
	volume = {64},
	number = {13},
	year = {1954},
	note = {2961},
	pages = {115 pp.},
	type = {article},
	abstract = {Mentions:
Macrostomum sp. (with a hystricinum like stylet)
Copy incomplete.},
	keywords = {Macrostomum},
	author = {Marcus, E}
}
@article {pdf,
	title = {Turbellaria Brasileiros - XI},
	journal = {Pap{\'e}is Avulsos do Departamento de Zoologia - Secretaria da Agricultura Sao Paulo},
	volume = {11},
	number = {24},
	year = {1954},
	note = {2960},
	pages = {419-489},
	type = {article},
	abstract = {Describes:
Macrostomum phocurum n. sp.
Copy incomplete.},
	keywords = {Macrostomum},
	author = {Marcus, E}
}
@article {pdf,
	title = {Monograph of the macrostomine worms of Turbellaria},
	journal = {Transactions of the American Microscopical Society},
	volume = {73},
	year = {1954},
	note = {2107},
	pages = {137-164},
	type = {article},
	abstract = {Describes:
Archimacrostomum n. gen.
Inframacrostomum n. gen.
Axia n. gen.
Karlingia lutheri n. gen. n. sp.
Mentions:
Omalostomum
Paromalostomum
Macrostomum
Promacrostomum
Protomacrostomum
Dolichomacrostomum
Myozona},
	keywords = {Macrostomum},
	author = {Ferguson, Frederick F}
}
@article {pdf,
	title = {Die Turbellarien des K{\"u}stengrundwassers am finnischen Meerbusen},
	journal = {Acta Zoologica Fennica},
	volume = {81},
	year = {1954},
	note = {2879},
	pages = {1-54},
	type = {article},
	abstract = {Mentions:
	Macrostomum curvituba
	Macrostomum hamatum},
	keywords = {Turbellaria},
	author = {Ax, P}
}
