@article {7040,
	title = {Principles of systematics and the system of bivalves},
	journal = {Paleontological Journal},
	volume = {43},
	number = {1},
	year = {2009},
	note = {PDF},
	pages = {1-11},
	keywords = {bakevelliidae, bivalvia, cassianellidae, dattidae, isognomonidae, malleidae, mollusca, Pterineidae, pterioidea, pulvinitidae, systematics, taxonomy},
	author = {Nevesskaya, L. A.}
}
