@inbook {5372,
	title = {On Haplodiscus piger.},
	booktitle = {Report 57th Meeting British Association for the Adv. of Sc. held at Manchester 1887.},
	year = {1887},
	month = {1887},
	pages = { - 740},
	publisher = {London},
	organization = {London},
	keywords = {Haplodiscus orbicularis, Haplodiscus piger, Haplodiscus ussowi},
	author = {Weldon,WFR}
}
@article {5181,
	title = {Haplodiscus piger, a new pelagic organism from the Bahamas.},
	journal = {Q J Microsc Sci New Ser},
	volume = {29},
	year = {1889},
	month = {1889},
	pages = {1 - 8},
	keywords = {Haplodiscus, Haplodiscus orbicularis, Haplodiscus piger, Haplodiscus ussowi, LOCATION},
	author = {Weldon,WFR}
}
@article {5180,
	title = {Haplodiscus bocki spec. nov., eine neue pelagische Turbellarie der Ordnung Acoela von der Molukken-See mit einer Diskussion der Gattung.},
	journal = {Ark Zool},
	volume = {23},
	year = {1970},
	month = {1970},
	pages = {255 - 266},
	keywords = {Haplodiscus, Haplodiscus acuminatus, Haplodiscus bocki, Haplodiscus obtusus, Haplodiscus orbicularis, Haplodiscus ovatus, Haplodiscus piger, Haplodiscus ussowi, Haplodiscus weldoni, LOCATION},
	author = {D{\"o}rjes,J}
}
