@article {7604,
	title = {Trigoniidae, Ostreidae, Bakevelliidae, Pteriidae, Cardiidae and Astartidae from the Upper Jurassic Sakamoto Formation in Central kyushu, Japan},
	journal = {Transactions and Proceedings of the Palaeontological Society of Japan, New Series},
	volume = {33},
	year = {1959},
	month = {April 1},
	pages = {23-32},
	keywords = {bakevelliidae, bivalvia, gervillella, jurassic, mollusca, ostreidae, paleontology, pteriidae, pterioida, pterioidea, pteroperna, taxonomy},
	author = {Tamura, Minoru}
}
@article {1603,
	title = {Trigoniidae, Ostreidae, Bakevelliidae, Pteriidae, Cardiidae and Astartidae from the Upper Jurassic Sakamoto Formation in Central kyushu, Japan},
	journal = {Transactions and Proceedings of the Palaeontological Society of Japan, New Series},
	volume = {33},
	year = {1959},
	pages = {23-32},
	keywords = {bakevelliidae, bivalvia, gervillella, jurassic, mollusca, ostreidae, paleontology, pteriidae, pterioida, pterioidea, pteroperna, taxonomy},
	author = {Tamura, Minoru}
}
