@book {7213,
	title = {Report on the geology of the county of Londonderry, and of parts of Tyrone and Fermanagh},
	year = {1843},
	note = {xerox784 p. illus., col. map., plates (part col., part fold.) 24 cm.Have 126-127 (index and description), plt.25, 754-755 (formation index), xxviii-xxix (plate legend)},
	pages = {784},
	publisher = {A. Milliken, Hodges and Smith, Longman, Brown, Green, and Longmans},
	organization = {A. Milliken, Hodges and Smith, Longman, Brown, Green, and Longmans},
	address = {Dublin \& London},
	keywords = {avicula, bakevellidae, biogeography, bivalvia, fossils, gervillia, mollusca, paleontology, Pteria, pteriidae, pterioida, pterioidea, rhaetavicula, taxonomy},
	author = {Portlock, J. E.}
}
@article {6469,
	title = {Die Muschelfauna der Nayband-Formation (Obertrias, Nor-Rh{\"a}t) des {\"o}stlichen Zentraliran},
	journal = {Beringeria},
	volume = {29},
	year = {2001},
	note = {xeroxNot complete Pterioidea},
	keywords = {bakevelliidae, bivalvia, gervillaria, mollusca, Pteria, pteriidae, pterioidea, pteroperna, rhaetavicula, taxonomy},
	author = {Hautmann, Michael}
}
@article {6061,
	title = {New genera and subgenera of Mesozoic Bivalvia},
	journal = {Palaeontology},
	volume = {4 (Part 4)},
	year = {1961},
	pages = {592-598},
	keywords = {bivalvia, fossils, mesozoic, mollusca, oxitoma, oxitomidae, paleontology, palmoxytoma, pteriidae, pterioida, pterioidea, rhaetavicula, taxonomy},
	author = {Cox, L. R.}
}
@article {1072,
	title = {New genera and subgenera of Mesozoic Bivalvia},
	journal = {Palaeontology},
	volume = {4 (Part 4)},
	year = {1961},
	pages = {592-598},
	keywords = {bivalvia, mesozoic, mollusca, oxitoma, oxitomidae, paleontology, palmoxytoma, pteriidae, pterioida, pterioidea, rhaetavicula, taxonomy},
	author = {Cox, L. R.}
}
@book {1492,
	title = {Report on the geology of the county of Londonderry, and of parts of Tyrone and Fermanagh},
	year = {1843},
	note = {784 p. illus., col. map., plates (part col., part fold.) 24 cm.Have 126-127 (index and description), plt.25, 754-755 (formation index), xxviii-xxix (plate legend)},
	pages = {784},
	publisher = {A. Milliken, Hodges and Smith, Longman, Brown, Green, and Longmans},
	organization = {A. Milliken, Hodges and Smith, Longman, Brown, Green, and Longmans},
	address = {Dublin \& London},
	keywords = {avicula, bakevellidae, biogeography, bivalvia, fossils, gervillia, mollusca, paleontology, Pteria, pteriidae, pterioida, pterioidea, rhaetavicula, taxonomy},
	author = {Portlock, J. E.}
}
