@book {174,
	title = {The Sipuncula. Their systematics, biology and evolution},
	year = {1994},
	pages = {453 pp},
	publisher = {Cornell University Press},
	organization = {Cornell University Press},
	address = {Ithaca, N.Y.},
	author = {Cutler, E. B.}
}
@article {178,
	title = {Sipuncula from Southern Brazil},
	journal = {Boletim do Institut Oceanografico, Sao Paulo},
	volume = {29},
	number = {1},
	year = {1980},
	pages = {1-8},
	author = {Cutler, E. B. and Cutler, N. J.}
}
@article {435,
	title = {On the sipunculid fauna of the littoral of Cuba},
	journal = {Zoologicheskii Zhurnal},
	volume = {46},
	year = {1967},
	pages = {35-47},
	author = {Murina, V. V.}
}
