@book {6299,
	title = {Ueber Aviculiden von Palaeozoischen Habitus aus der Trias von Zacatecas},
	year = {1906},
	note = {LACKS PLATES (not in AMNH library)},
	pages = {10},
	publisher = {Imp. Sec. d. Fomento},
	organization = {Imp. Sec. d. Fomento},
	address = {Mexico},
	keywords = {avicula, bivalvia, cassianella, fossils, halobia, leptodesma, mollusca, paleontology, paleozoic, pterioida, pterioidea, taxonomy, triassic},
	author = {Frech, Fritz}
}
@book {1165,
	title = {Ueber Aviculiden von Palaeozoischen Habitus aus der Trias von Zacatecas},
	year = {1906},
	pages = {10},
	publisher = {Imp. Sec. d. Fomento},
	organization = {Imp. Sec. d. Fomento},
	address = {Mexico},
	keywords = {avicula, bivalvia, cassianella, fossils, halobia, leptodesma, mollusca, paleontology, paleozoic, pterioida, pterioidea, taxonomy, triassic},
	author = {Frech, Fritz}
}
