@article {6712,
	title = {Der Anpassungstypus der Hammermuschel},
	journal = {Palaeobiologica},
	volume = {6},
	year = {1938},
	note = {PDFText-figs. 1-4, pl. 18},
	pages = {230-241},
	keywords = {anatomy, bivalvia, isognomon, isognomonidae, ligament, malleidae, malleus, mollusca, morphology, pterioida, pterioidea},
	author = {K{\"u}hnelt, Wilhelm}
}
@article {1313,
	title = {Der Anpassungstypus der Hammermuschel},
	journal = {Palaeobiologica},
	volume = {6},
	year = {1938},
	pages = {230-241},
	keywords = {anatomy, bivalvia, isognomon, isognomonidae, ligament, malleidae, malleus, mollusca, morphology, pterioida, pterioidea},
	author = {K{\"u}hnelt, Wilhelm}
}
