@inbook {Lorenzen1985,
	title = {Phylogenetic aspects of pseudocoelomate evolution},
	booktitle = {The Origins and Relationships of Lower Invertebrates},
	series = {The Systematics Association Special Volume},
	volume = {28},
	year = {1985},
	pages = {211{\textendash}223},
	publisher = {Clarendon Press},
	organization = {Clarendon Press},
	address = {Oxford},
	author = {Lorenzen, S.},
	editor = {Morris, S. Conway and George, J.D. and Gibson, R. and Platt, H.M.}
}
