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†Tylothyris North 1920
urn:lsid:organismnames.com:name:632764
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†Tylothyris North 1920
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North 1920. On Syringothyris Winchell, and certain Carboniferous Brachiopoda referred to Spiriferina D'Orbigny. Quarterly Journal of the Geological Society, 76 1920: (162-227)