@article {3261,
	title = {A revision of the genera Phascolion, Th{\'e}el, and Onchnesoma Koren and Danielssen (Sipuncula)},
	journal = {Proceedings of the Biological Society of  Washington},
	volume = {98},
	year = {1985},
	pages = {809-850},
	author = {Cutler, E. B. and Cutler, N. J.}
}
@inbook {3260,
	title = {The Phascolionids},
	booktitle = {The Sipuncula. Their Systematics, Biology, and Evolution},
	year = {1994},
	pages = {107-139},
	publisher = {Cornell University Press},
	organization = {Cornell University Press},
	chapter = {4},
	address = {New York},
	author = {Cutler, E. B.}
}
@inbook {3258,
	title = {The Phascolionids},
	booktitle = {The Sipuncula. Their Systematics, Biology, and Evolution},
	year = {1994},
	pages = {107-139},
	publisher = {Cornell University Press},
	organization = {Cornell University Press},
	chapter = {4},
	address = {New York},
	author = {Cutler, E. B.}
}
@article {3257,
	title = {A revision of the genera Phascolion, Th{\'e}el, and Onchnesoma Koren and Danielssen (Sipuncula)},
	journal = {Proceedings of the Biological Society of Washington },
	volume = {98},
	year = {1985},
	pages = {809-850},
	author = {Cutler, E. B. and Cutler, N. J.}
}
