@article {65,
	title = {Contributions to Indian Malacology},
	journal = {Journal of the Asiatic Society of Bengal},
	volume = {29},
	year = {1860},
	pages = {117-127},
	chapter = {117},
	url = {http://www.biodiversitylibrary.org/item/124448$\#$page/141/mode/1up},
	author = {W.T. Blanford and H.F. Blanford}
}
@article {1480,
	title = {Notes on the distribution of Indian terrestrial Gasteropoda considered with reference to its leaning on the origin of species},
	journal = {Journal of the Asiatic Society of Bengal.},
	volume = {32},
	year = {1863},
	pages = {354-382},
	chapter = {354},
	url = {http://www.biodiversitylibrary.org/page/37486708$\#$page/438/mode/1up},
	author = {W. Theobald}
}
@article {blanford1864xlii,
	title = {On the classification of the Cyclostomacea of Eastern Asia},
	journal = {The Annals and Magazine of Natural History},
	volume = {13},
	number = {78},
	year = {1864},
	pages = {441{\textendash}465},
	publisher = {Taylor \& Francis},
	url = {http://biodiversitylibrary.org/item/72224$\#$page/455/mode/1up},
	author = {W.T. Blanford}
}
@book {694,
	title = {Monographia Pneumonopomorum viventium. Sistens descriptiones systematicas et criticas omnium hujus ordines generum et specierum hodie cognitarum, accedente fossilium enumeratione},
	volume = {3},
	year = {1865},
	pages = {284},
	url = {http://www.biodiversitylibrary.org/item/41632$\#$page/65/mode/1up},
	author = {L. Pfeiffer}
}
@article {695,
	title = {Contributions to Indian Malacology. W.T. Blanford \& H.F. Blanford I, II, III and IV.},
	journal = {Journal de conchyliologie},
	volume = {14},
	year = {1866},
	pages = {201-204},
	chapter = {201},
	url = {http://www.biodiversitylibrary.org/item/53440$\#$205},
	author = {H. Croose}
}
@article {49,
	title = {On Opisthostoma, H. Blanford, with Description of a New Species from the Neighbourhood of Bombay, and of the animal and Operculum},
	journal = {Proceedings of the Zoological Society of London},
	year = {1866},
	pages = {447-451},
	chapter = {447},
	url = {http://www.biodiversitylibrary.org/item/90954$\#$page/545/mode/1up},
	author = {W.T. Blanford}
}
@article {1485,
	title = {Revision der Familien und Gattungen der Pneumonopomen},
	journal = {Malakozoologische Bl{\"a}tter},
	volume = {23},
	year = {1867},
	pages = {77-86},
	chapter = {77},
	url = {http://www.biodiversitylibrary.org/page/15854492$\#$page/107/mode/1up},
	author = {L. Pfeiffer}
}
@book {bhl44316,
	title = {Appendix to the Manual of Mollusca of S.P. Woodward, A.L.S. :},
	year = {1868},
	note = {http://www.biodiversitylibrary.org/bibliography/11773},
	pages = {106},
	publisher = {London :Virtue \& Yorston,},
	organization = {London :Virtue \& Yorston,},
	keywords = {Classification|Mollusks|Mollusks, Fossil|Shells|},
	url = {http://www.biodiversitylibrary.org/page/12171891$\#$page/52/mode/1up},
	author = {Tate, Ralph, and Woodward, Samuel Peckworth,}
}
@book {692,
	title = {Conchologia Indica: Illustrations of the land ans freshwater shells of Britih India: with 160 plates},
	year = {1876},
	pages = {433},
	address = {London},
	url = {http://www.biodiversitylibrary.org/item/50391$\#$page/60/mode/1up},
	author = {S. Hanley and W. Theobald}
}
@book {686,
	title = {Monographia Pneumonopomorum viventium, accedente fossilium enumeratione. Supplementum tertium. Monographiae Auriculaceorum. Parte secunda auctum},
	volume = {4},
	year = {1876},
	pages = {479 pp.},
	publisher = {Cassellis},
	organization = {Cassellis},
	author = {L. Pfeiffer}
}
@article {67,
	title = {Catalogue des esp{\`e}ces appartenant au genre Opisthostoma, Blanford.},
	journal = {Journal de conchyliologie},
	volume = {27},
	year = {1879},
	pages = {193-198},
	chapter = {193},
	url = {http://www.biodiversitylibrary.org/item/54087$\#$page/209/mode/1up},
	author = {H. Crosse}
}
@article {73,
	title = {Nouvelles contributions malacologiques},
	journal = {Bulletins de la Soci{\'e}t{\'e} Malacologique de France},
	volume = {4},
	year = {1887},
	pages = {273-288},
	chapter = {273},
	url = {http://www.biodiversitylibrary.org/item/54677$\#$page/303/mode/1up},
	author = {C.F. Ancey}
}
@book {690,
	title = {Mollusca. III. Land Operculates. (Cyclophoridea, Truncatellidae, Assimineidae, Helicinidae)},
	series = {The Fauna of British India},
	volume = {3},
	year = {1921},
	pages = {386},
	publisher = {Taylor and Francis},
	organization = {Taylor and Francis},
	address = {London},
	url = {http://www.biodiversitylibrary.org/item/46616$\#$page/318/mode/1up},
	author = {G. K. Gude}
}
@article {688,
	title = {Catalog der gegenw{\"a}rtig lebend bekannten Pneumonopomen},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	volume = {30},
	year = {1898},
	chapter = {134},
	url = {http://biodiversitylibrary.org/item/89671$\#$page/336/mode/1up},
	author = {W. Kobelt and O. von Moellendorff}
}
@book {689,
	title = {Cyclophoridae},
	series = {Das Tierreich},
	volume = {16},
	year = {1902},
	pages = {662},
	publisher = {R. Friedl{\"a}nder und Sohn},
	organization = {R. Friedl{\"a}nder und Sohn},
	address = {Berlin},
	url = {http://biodiversitylibrary.org/item/16047$\#$page/456/mode/1up},
	author = {W. Kobelt}
}
@article {45,
	title = {The Malayan species of Opisthostoma (Gastropoda, Probranchia, Cyclophoridae), with a catalogue of all the species hitherto described},
	journal = {The Bulletin of the Raffles Museum},
	volume = {24},
	year = {1952},
	pages = {5-61},
	chapter = {5},
	url = {http://rmbr.nus.edu.sg/rbz/biblio/24/24brm005-062.pdf},
	author = {van Benthem-Jutting, W.S.S.}
}
@article {book1995terrestrial,
	title = {The IUCN Species Survival Commission The Conservation Biology of Molluscs},
	number = {9},
	year = {1995},
	pages = {54},
	url = {http://data.iucn.org/dbtw-wpd/edocs/ssc-op-009.pdf$\#$page=59},
	author = {E. A. Kay}
}
