@article {121,
	title = {Beitrage zur Kenntnis der Gephyreen nach Untersuchung der im Gottinger zoologischen Museum befindlichen Sipunculiden und Echiuriden},
	journal = {Archiv fur Naturgeschichte},
	volume = {69},
	year = {1903},
	pages = {297-371},
	author = {Augener, H.}
}
@article {377,
	title = {A new species of Dendrostoma},
	journal = {Records of the Australian Museum},
	volume = {5},
	year = {1903},
	pages = {69-73},
	author = {Kesteven, H. L.}
}
@article {354,
	title = {On the anatomy of the gephyreen Phascolosoma teres n.sp},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1},
	year = {1903},
	pages = {29-41},
	author = {Hutton, W. K.}
}
@article {589,
	title = {Report on the Gephyrea collected by Prof. Herdman at Ceylon in 1902},
	journal = {Ceylon Pearl Oyster Fisheries Supplementary Reports},
	volume = {3},
	year = {1903},
	pages = {169-176},
	author = {Shipley, A. E.}
}
@article {130,
	title = {The Sipunculids of New Zealand},
	journal = {Transactions of the Royal Society of New Zealand},
	volume = {36},
	year = {1903},
	pages = {172-189},
	author = {Benham, W. B.}
}
@article {292,
	title = {Studies on the embryology of the Sipunculidae I. The embryonal envelope and its homologue},
	journal = {The Mark anniversary volume. 22.},
	volume = {1903},
	year = {1903},
	pages = {437-452},
	author = {Gerould, J. H.}
}
@article {337,
	title = {Sur la distribution et les affinites reciproques des Sipunculides},
	journal = {Bulletin de la Societe Zoologique de France},
	volume = {28},
	year = {1903},
	pages = {99-111},
	author = {Herubel, M. A.}
}
