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Bibliography
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†Undulorhyncha Amsden 1988
urn:lsid:organismnames.com:name:658974
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21
†Undulorhyncha Amsden 1988
Names
1
Amsden 1988. Part 1. Late Ordovician through Early Devonian annotated correlation chart and brachiopod range charts for the southern Midcontinent region, U.S.A. Oklahoma Geological Survey Bulletin, No. 143 1988: 1-53, 57-66