@article {Duncan1867,
	title = {On the genera Heterophyllia, Battersbyia, Palaeocyclus, and Asterosmilia; the anatomy of their species, and their position in the classification of the sclerodermic Zoantharia},
	journal = {Philosophical Transactions of the Royal Society of London},
	volume = {157},
	year = {1867},
	pages = {643{\textendash}656},
	keywords = {SDC, TIP},
	url = {http://www.jstor.org/stable/108985},
	author = {Duncan, P Martin}
}
@article {Bruggemann1879,
	title = {Corals},
	journal = {Philosophical Transactions of the Royal Society of London},
	volume = {168},
	year = {1879},
	pages = {569{\textendash}579},
	url = {http://www.jstor.org/stable/109274},
	author = {Br{\"u}ggemann, F}
}
