@book {bhl44316,
	title = {Appendix to the Manual of Mollusca of S.P. Woodward, A.L.S. :},
	year = {1868},
	note = {http://www.biodiversitylibrary.org/bibliography/11773},
	pages = {106},
	publisher = {London :Virtue \& Yorston,},
	organization = {London :Virtue \& Yorston,},
	keywords = {Classification|Mollusks|Mollusks, Fossil|Shells|},
	url = {http://www.biodiversitylibrary.org/page/12171891$\#$page/52/mode/1up},
	author = {Tate, Ralph, and Woodward, Samuel Peckworth,}
}
@book {686,
	title = {Monographia Pneumonopomorum viventium, accedente fossilium enumeratione. Supplementum tertium. Monographiae Auriculaceorum. Parte secunda auctum},
	volume = {4},
	year = {1876},
	pages = {479 pp.},
	publisher = {Cassellis},
	organization = {Cassellis},
	author = {L. Pfeiffer}
}
@book {687,
	title = {part I Gastropoda : Pulmonata and Prosobranchia-Neurobranchia},
	series = {Hand list of Mollusca in the Indian Museum, Calcutta},
	volume = {1},
	year = {1878},
	pages = {338},
	publisher = {Calcutta},
	organization = {Calcutta},
	url = {http://www.biodiversitylibrary.org/item/65172$\#$page/304/mode/1up},
	author = {G. Nevill}
}
@article {67,
	title = {Catalogue des esp{\`e}ces appartenant au genre Opisthostoma, Blanford.},
	journal = {Journal de conchyliologie},
	volume = {27},
	year = {1879},
	pages = {193-198},
	chapter = {193},
	url = {http://www.biodiversitylibrary.org/item/54087$\#$page/209/mode/1up},
	author = {H. Crosse}
}
@book {bhl100489,
	title = {Structural and systematic conchology: an introduction to the study of the Mollusca...},
	volume = {2},
	year = {1883},
	note = {http://www.biodiversitylibrary.org/bibliography/10347},
	pages = {430},
	publisher = {Philadelphia :The author,},
	organization = {Philadelphia :The author,},
	keywords = {Mollusks|},
	url = {http://www.biodiversitylibrary.org/page/32229510$\#$page/613/mode/1up},
	author = {Tryon, George W.}
}
@article {709,
	title = {Malaysian land and freshwater Mollusca},
	journal = {Proceedings of the Linnean Society of New South Wales},
	volume = {2},
	year = {1888},
	pages = {1003-1095},
	chapter = {1003},
	url = {http://www.biodiversitylibrary.org/ia/proceeding233413341888lin$\#$page/181/mode/1up},
	author = {J. E. Tenison-Woods}
}
@article {57,
	title = {Notes on land Mollusca of the Malay Archipelago},
	journal = {Journal of Conchology},
	volume = {19},
	year = {1932},
	pages = {196-210},
	chapter = {196},
	author = {van Benthem-Jutting, W.S.S.}
}
@article {1482,
	title = {Note on the Genera Geothauma and Gyrostropha},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {6},
	year = {1893},
	pages = {284-285},
	chapter = {284},
	url = {http://www.biodiversitylibrary.org/page/24344618$\#$page/332/mode/1up},
	author = {E.A. Smith}
}
@article {38,
	title = {A list of the Bornean species of the genus Opisthostoma and descriptions of four new species},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {6},
	year = {1894},
	pages = {269-273},
	chapter = {269},
	url = {http://biodiversitylibrary.org/item/78508$\#$page/295/mode/1up},
	author = {E.A. Smith}
}
@article {688,
	title = {Catalog der gegenw{\"a}rtig lebend bekannten Pneumonopomen},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	volume = {30},
	year = {1898},
	chapter = {134},
	url = {http://biodiversitylibrary.org/item/89671$\#$page/336/mode/1up},
	author = {W. Kobelt and O. von Moellendorff}
}
@book {689,
	title = {Cyclophoridae},
	series = {Das Tierreich},
	volume = {16},
	year = {1902},
	pages = {662},
	publisher = {R. Friedl{\"a}nder und Sohn},
	organization = {R. Friedl{\"a}nder und Sohn},
	address = {Berlin},
	url = {http://biodiversitylibrary.org/item/16047$\#$page/456/mode/1up},
	author = {W. Kobelt}
}
@book {bhl44320,
	title = {Catalogue syst{\'e}matique des mollusques (gastropodes prosobranches et polyplacophores). Tome XIII /},
	year = {1908},
	note = {http://www.biodiversitylibrary.org/bibliography/11777},
	pages = {586},
	publisher = {Leide :Brill,},
	organization = {Leide :Brill,},
	keywords = {Catalogs and collections|Mollusks|},
	url = {http://www.biodiversitylibrary.org/item/44320$\#$page/354/mode/1up},
	author = {Rijksmuseum van Natuurlijke Historie te Leiden. and Horst, R. and Schepman, M. M.}
}
@article {45,
	title = {The Malayan species of Opisthostoma (Gastropoda, Probranchia, Cyclophoridae), with a catalogue of all the species hitherto described},
	journal = {The Bulletin of the Raffles Museum},
	volume = {24},
	year = {1952},
	pages = {5-61},
	chapter = {5},
	url = {http://rmbr.nus.edu.sg/rbz/biblio/24/24brm005-062.pdf},
	author = {van Benthem-Jutting, W.S.S.}
}
@article {35,
	title = {Notes on the non-marine molluscs of the island of Borneo. 6. The genus Opisthostoma (Gastropoda Prosobranchia: Diplommatinidae), part 2},
	journal = {Basteria},
	volume = {58},
	year = {1994},
	pages = {73-191},
	chapter = {73},
	author = {J.J. Vermeulen}
}
