@article {6312,
	title = {Preserved life positions of some Jurassic bivalves},
	journal = {Pal{\"a}ontologische Zeitschrift},
	volume = {54},
	number = {3-4},
	year = {1980},
	note = {Many other bivalve taxa discussed},
	month = {December},
	pages = {289-300},
	keywords = {bivalvia, ecology, fossils, functional morphology, isognomon, isognomonidae, mollusca, paleoecology, paleontology, pinna, pinnidae, pinnoidea, pterioida, pterioidea, shell morphology},
	author = {F{\"u}rsich, F. T.}
}
@article {1168,
	title = {Preserved life positions of some Jurassic bivalves},
	journal = {Pal{\"a}ontologische Zeitschrift},
	volume = {54},
	number = {3-4},
	year = {1980},
	pages = {289-300},
	keywords = {bivalvia, ecology, fossils, functional morphology, isognomon, isognomonidae, mollusca, paleoecology, paleontology, pinna, pinnidae, pinnoidea, pterioida, pterioidea, shell morphology},
	author = {F{\"u}rsich, F. T.}
}
