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†Orthoarmenoceras Kisselev 1990
urn:lsid:organismnames.com:name:856670
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79
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†Orthoarmenoceras Kisselev 1990
Kisselev 1990. New materials on the siphon system of the Early Palaeozoic actinoceroids. Vestnik Leningradskogo Universiteta Seriya 7 Geologiya Geografiya, 1990(2) 1990: 75-80