@book {7468,
	title = {Fossil molluscs of Brazil [not sure how to cite, ask Luiz]},
	year = {1994},
	note = {xeroxIncomplete section on Pterioidea},
	publisher = {Instituto Geol{\'o}gico},
	organization = {Instituto Geol{\'o}gico},
	address = {S{\~a}o Paulo},
	keywords = {bakevelliidae, bivalvia, euptera, fossil record, gervillia, isognomon, isognomonidae, mollusca, paleontology, Pteria, pteriidae, pterioidea, taxonomy},
	author = {Simone, Luiz Ricardo Lopes de and Mezzalira, S{\'e}rgio}
}
@article {6902,
	title = {Fossil invertebrata from northeastern Brazil},
	journal = {Bulletin of the American Museum of Natural History},
	volume = {67},
	year = {1934},
	note = {PDF, xerox},
	pages = {123-179, [11] leaves of plates},
	keywords = {bivalvia, fossil record, isognomon, isognomonidae, mollusca, paleontology, perna, Pteria, pteriidae, pterioida, pterioidea},
	author = {Maury, Carlotta Joaquina}
}
