@article {210,
	title = {Poriferan paraphyly and its implications for Precambrian palaeobiology},
	journal = {Geological Society, London, Special Publications},
	volume = {286},
	year = {2007},
	month = {01/2007},
	pages = {355 - 368},
	issn = {0305-8719},
	doi = {10.1144/SP286.25},
	author = {Sperling, E. A. and Pisani, D. and Peterson, K. J.}
}
