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†Porkunioceras Kroeger 2007
urn:lsid:organismnames.com:name:1953210
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†Porkunioceras Kroeger 2007
Kroeger 2007. Concentrations of juvenile and small adult cephalopods in the Hirnantian cherts (Late Ordovician) of Porkuni, Estonia. Acta Palaeontologica Polonica, 52(3), September 2007: 591-608