@article {7106,
	title = {Pal{\"a}ontogische Miscellaneen},
	journal = {Zeitschrift der Deutschen geologischen Gesellschaft},
	volume = {52},
	year = {1900},
	note = {Pl. 9-11Have 237-243, plates},
	pages = {237-243},
	keywords = {bivalvia, isognomonidae, mollusca, pachyperna, pterioida, pterioidea, taxonomy},
	author = {Oppenheim, von Herrn Paul}
}
@article {1444,
	title = {Pal{\"a}ontogische Miscellaneen},
	journal = {Zeitschrift der Deutschen geologischen Gesellschaft},
	volume = {52},
	year = {1900},
	pages = {237-243},
	keywords = {bivalvia, isognomonidae, mollusca, pachyperna, pterioida, pterioidea, taxonomy},
	author = {Oppenheim, von Herrn Paul}
}
