@article {126,
	title = {Ontogeny in the fossil record: diversification of body plans and the evolution of "aberrant" symmetry in Paelozoic echinoderms},
	journal = {Paleobiology},
	volume = {33},
	number = {1},
	year = {2007},
	pages = {149-163},
	author = {Sumrall, C.D. and Wray, G.A.}
}
