@article {617,
	title = {Echiuroidea and Sipunculoidea from Senegal, West Africa},
	journal = {Bulletin de l{\textquoteright}Institut Francais d{\textquoteright}Afrique Noire},
	volume = {22a},
	number = {2},
	year = {1960},
	pages = {512-520},
	author = {Stephen, A. C.}
}
