@article {33566,
	title = {Rutkowskiella cf. R. tumula Rigby, 1977, a chiastoclonellid sponge from the Upper Devonian Swan Hills Member, Judy Creek, Alberta},
	volume = {56},
	year = {1982},
	pages = {717-719},
	publisher = {Journal of Paleontology},
	author = {Birkhead, Paul K. and Murray, James W.}
}
