@article {Gregory1930b,
	title = {A new Ceratotrochus from the Upper Cretaceous of Portuguese East Africa},
	journal = {Geological Magazine},
	volume = {67},
	number = {10},
	year = {1930},
	pages = {475{\textendash}477},
	keywords = {RCBS, TIP},
	doi = {10.1017/S0016756800099611},
	url = {http://dx.doi.org/10.1017/S0016756800099611},
	author = {Gregory, J W}
}
