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Xaniopyramis Siveter & Selden 1987
urn:lsid:organismnames.com:name:638629
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Xaniopyramis Siveter & Selden 1987
Siveter & Selden 1987. A new, giant xiphosurid from the lower Namurian of Weardale, County Durham. Proceedings of the Yorkshire Geological Society, 46(2) 1987: 153-168