@article {50,
	title = {Description of a new Genus of Land-Shells from the Island of Labuan, Borneo},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {3},
	year = {1865},
	pages = {177},
	chapter = {177},
	url = {http://biodiversitylibrary.org/item/72310$\#$page/191/mode/1up},
	author = {H. Adam}
}
@article {1486,
	title = {Note on a shell from Labuan},
	journal = {The natural history review},
	volume = {5},
	year = {1865},
	pages = {599},
	chapter = {599},
	url = {http://www.biodiversitylibrary.org/page/9749440$\#$page/609/mode/1up},
	author = {de Crespigny, C. C.}
}
@article {48,
	title = {Descriptions of six new species of shells, and Notes on Opisthostoma decrespignii},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1866},
	year = {1866},
	pages = {445-447},
	chapter = {445},
	url = {http://www.biodiversitylibrary.org/item/90954$\#$page/543/mode/1up},
	author = {H. Adam}
}
@article {706,
	title = {On the Genus Plectostoma H. Adam, and the animal of Diplommatina Benson},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {3},
	year = {1867},
	pages = {305-307},
	chapter = {305},
	url = {http://www.biodiversitylibrary.org/item/72153$\#$319},
	author = {W.T. Blanford}
}
@book {bhl44316,
	title = {Appendix to the Manual of Mollusca of S.P. Woodward, A.L.S. :},
	year = {1868},
	note = {http://www.biodiversitylibrary.org/bibliography/11773},
	pages = {106},
	publisher = {London :Virtue \& Yorston,},
	organization = {London :Virtue \& Yorston,},
	keywords = {Classification|Mollusks|Mollusks, Fossil|Shells|},
	url = {http://www.biodiversitylibrary.org/page/12171891$\#$page/52/mode/1up},
	author = {Tate, Ralph, and Woodward, Samuel Peckworth,}
}
@book {707,
	title = {Monographia heliceorum viventium, sistens descriptiones systematicas et criticas omnium hujus familiae generum et specierum hodie cognitarum},
	volume = {6},
	year = {1868},
	pages = {598},
	address = {Lipsiae},
	url = {http://www.biodiversitylibrary.org/bibliography/12727},
	author = {L. Pfeiffer}
}
@article {1481,
	title = {On the occurrence of Diplommatina Huttoni and Ennea bicolor in the West Indies},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {4},
	year = {1868},
	pages = {110-112},
	chapter = {110},
	url = {http://www.biodiversitylibrary.org/page/22248501$\#$page/125/mode/1up},
	author = {W.T. Blanford}
}
@book {708,
	title = {Molluschi Borneensi. Illustrazione delle specie terrestri e d{\textquoteright}acqua dolce raccolte nell{\textquoteright}isola di Borneo. Dai Signori G. Doria e O. Beccari. Memoria di Arturo Issel.},
	year = {1874},
	pages = {486},
	publisher = {Tipografia del R. Instituto Sordo-Muti},
	organization = {Tipografia del R. Instituto Sordo-Muti},
	address = {Genova},
	url = {http://www.biodiversitylibrary.org/item/41741$\#$page/79/mode/1up},
	author = {A. Issel}
}
@book {686,
	title = {Monographia Pneumonopomorum viventium, accedente fossilium enumeratione. Supplementum tertium. Monographiae Auriculaceorum. Parte secunda auctum},
	volume = {4},
	year = {1876},
	pages = {479 pp.},
	publisher = {Cassellis},
	organization = {Cassellis},
	author = {L. Pfeiffer}
}
@book {687,
	title = {part I Gastropoda : Pulmonata and Prosobranchia-Neurobranchia},
	series = {Hand list of Mollusca in the Indian Museum, Calcutta},
	volume = {1},
	year = {1878},
	pages = {338},
	publisher = {Calcutta},
	organization = {Calcutta},
	url = {http://www.biodiversitylibrary.org/item/65172$\#$page/304/mode/1up},
	author = {G. Nevill}
}
@article {67,
	title = {Catalogue des esp{\`e}ces appartenant au genre Opisthostoma, Blanford.},
	journal = {Journal de conchyliologie},
	volume = {27},
	year = {1879},
	pages = {193-198},
	chapter = {193},
	url = {http://www.biodiversitylibrary.org/item/54087$\#$page/209/mode/1up},
	author = {H. Crosse}
}
@book {bhl100489,
	title = {Structural and systematic conchology: an introduction to the study of the Mollusca...},
	volume = {2},
	year = {1883},
	note = {http://www.biodiversitylibrary.org/bibliography/10347},
	pages = {430},
	publisher = {Philadelphia :The author,},
	organization = {Philadelphia :The author,},
	keywords = {Mollusks|},
	url = {http://www.biodiversitylibrary.org/page/32229510$\#$page/613/mode/1up},
	author = {Tryon, George W.}
}
@article {709,
	title = {Malaysian land and freshwater Mollusca},
	journal = {Proceedings of the Linnean Society of New South Wales},
	volume = {2},
	year = {1888},
	pages = {1003-1095},
	chapter = {1003},
	url = {http://www.biodiversitylibrary.org/ia/proceeding233413341888lin$\#$page/181/mode/1up},
	author = {J. E. Tenison-Woods}
}
@article {710,
	title = {On a collection of land-shells made in Borneo by Mr. A. Everett, with descriptions of supposed new species},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1889},
	year = {1889},
	pages = {332-355},
	chapter = {332},
	url = {http://www.biodiversitylibrary.org/item/96894$\#$462},
	author = {H.H. Godwin-Austen}
}
@article {57,
	title = {Notes on land Mollusca of the Malay Archipelago},
	journal = {Journal of Conchology},
	volume = {19},
	year = {1932},
	pages = {196-210},
	chapter = {196},
	author = {van Benthem-Jutting, W.S.S.}
}
@article {703,
	title = {Drei neue Pneumonopomen aus Borneo},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	volume = {25},
	year = {1893},
	pages = {194-197},
	chapter = {194},
	url = {http://www.biodiversitylibrary.org/item/53280$\#$page/202/mode/1up},
	author = {O. Boettger}
}
@article {1482,
	title = {Note on the Genera Geothauma and Gyrostropha},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {6},
	year = {1893},
	pages = {284-285},
	chapter = {284},
	url = {http://www.biodiversitylibrary.org/page/24344618$\#$page/332/mode/1up},
	author = {E.A. Smith}
}
@article {38,
	title = {A list of the Bornean species of the genus Opisthostoma and descriptions of four new species},
	journal = {The annals and magazine of natural history, including zoology, botany and geology},
	volume = {6},
	year = {1894},
	pages = {269-273},
	chapter = {269},
	url = {http://biodiversitylibrary.org/item/78508$\#$page/295/mode/1up},
	author = {E.A. Smith}
}
@article {688,
	title = {Catalog der gegenw{\"a}rtig lebend bekannten Pneumonopomen},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	volume = {30},
	year = {1898},
	chapter = {134},
	url = {http://biodiversitylibrary.org/item/89671$\#$page/336/mode/1up},
	author = {W. Kobelt and O. von Moellendorff}
}
@book {689,
	title = {Cyclophoridae},
	series = {Das Tierreich},
	volume = {16},
	year = {1902},
	pages = {662},
	publisher = {R. Friedl{\"a}nder und Sohn},
	organization = {R. Friedl{\"a}nder und Sohn},
	address = {Berlin},
	url = {http://biodiversitylibrary.org/item/16047$\#$page/456/mode/1up},
	author = {W. Kobelt}
}
@book {sarawak1901report,
	title = {Report on the Sarawak museum 1901-1902},
	year = {1902},
	author = {R. Shelford}
}
@book {bhl101193,
	title = {Sale catalogues by Sowerby and Fulton.},
	volume = {v.1},
	year = {1902},
	note = {http://www.biodiversitylibrary.org/bibliography/46834},
	pages = {44},
	publisher = {London,Dryden Press,},
	organization = {London,Dryden Press,},
	url = {http://www.biodiversitylibrary.org/page/32502478$\#$page/26/mode/1up},
	author = {G.B. Sowerby}
}
@article {1479,
	title = {Reversed shells in the Manchester Museum},
	journal = {Journal of Conchology},
	volume = {11},
	year = {1905},
	pages = {228-237},
	chapter = {228},
	url = {http://www.biodiversitylibrary.org/page/31651130$\#$page/264/mode/1up},
	author = {R. Standen}
}
@article {702,
	title = {Beschreibung einiger im {\"o}stlichen Borneo von Martin Schmidt gesammelten Landund S{\"u}bwasser-Conchylien},
	journal = {Mitteilungen aus dem Zoologischen Museum in Berlin},
	volume = {4},
	year = {1908},
	pages = {251-294},
	chapter = {251},
	url = {http://www.biodiversitylibrary.org/item/44411$\#$page/272/mode/1up},
	author = {E. von Martens and J. Thiele}
}
@book {bhl44320,
	title = {Catalogue syst{\'e}matique des mollusques (gastropodes prosobranches et polyplacophores). Tome XIII /},
	year = {1908},
	note = {http://www.biodiversitylibrary.org/bibliography/11777},
	pages = {586},
	publisher = {Leide :Brill,},
	organization = {Leide :Brill,},
	keywords = {Catalogs and collections|Mollusks|},
	url = {http://www.biodiversitylibrary.org/item/44320$\#$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}
}
