@article {538,
	title = {Description sommaire de plusieurs pt{\'e}ropodes nouveaux ou imparfaitement connus, destin{\'e}s {\`a} {\`a}tre publi{\'e}s dans Le voyage de la Bonite},
	journal = {Revue Zool. Soc. Cuvier. Paris},
	year = {1840},
	pages = {239},
	chapter = {235},
	author = {F. Eydoux and F.L.A. Souleyet}
}
@article {572,
	title = {Pteropoda},
	journal = {Tiefsee Exp. 1898-1899},
	volume = {4},
	year = {1905},
	pages = {314},
	chapter = {1},
	author = {J. Meisenheimer}
}
@article {563,
	title = {Report on the scientific results of the voyage of H.M.S. Challenger during the years 1872-76, Under the command of captain sir george s. nares and captain frank tourle thomson},
	year = {1888},
	publisher = {H.M. Stationary Office},
	author = {P. Pelseneer}
}
@article {565,
	title = {Report on the scientific results of the voyage of H.M.S. Challenger during the years 1872-76, Under the command of captain sir george s. nares and captain frank tourle thomson},
	year = {1888},
	publisher = {H.M. Stationary Office},
	author = {P. Pelseneer}
}
@book {549,
	title = {Pseudothecosomata, gymnosomata and heteropoda (gastropoda)},
	year = {1976},
	pages = {484},
	publisher = {Bohn, Scheltema \& Holkeme Utrecht},
	organization = {Bohn, Scheltema \& Holkeme Utrecht},
	address = {Amsterdam},
	isbn = {9031301760},
	author = {S. Van Der Spoel}
}
@book {554,
	title = {Euthecosomata, a group with remarkable developmental stages (Gastropoda, Pteropoda)},
	year = {1967},
	pages = {375},
	publisher = {J. Noorduyn \& ZN, Gorinchem},
	organization = {J. Noorduyn \& ZN, Gorinchem},
	author = {S. Van Der Spoel}
}
@article {576,
	title = {The Pteropoda of the Leyden museum},
	journal = {Notes Leiden Museum},
	volume = {29},
	year = {1908},
	pages = {203},
	chapter = {181},
	author = {J.J. Tesch}
}
