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†Polyptychites tschekanovskii Pavlov 1913
urn:lsid:organismnames.com:name:3477140
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†Polyptychites tschekanovskii Pavlov 1913
Pavlov 1913. [Les Cephalopodes du Jura et du Cretace inferieur de la Siberie septentrionale.] St Peterburg Memoires Ac Sc Ser 8, 21(No. 4) 1913: (i-iv+1-68)