@article {7721,
	title = {The Mesozoic marine revolution: evidence from snails, predators and grazers},
	journal = {Paleobiology},
	volume = {3},
	year = {1977},
	note = {PDF},
	pages = {245-258},
	keywords = {ecology, mesozoic, paleontology, phanerozoic, predation},
	author = {Vermeij, Geerat J.}
}
