@article {552,
	title = {Proposed conservation of four sipunculan specific names},
	journal = {Bulletin of Zoological Nomenclature},
	volume = {44},
	number = {2},
	year = {1987},
	pages = {89},
	author = {Saiz Salinas, J. I.}
}
@article {171,
	title = {Proposed conservation of Siphonosoma cumanense (Keferstein, 1867) over S. edule (Pallas, 1774) (Sipuncula)},
	journal = {Bulletin of Zoological Nomenclature},
	volume = {41},
	number = {1},
	year = {1984},
	pages = {62-64},
	author = {Cutler, E. B.}
}
