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†Nigrocyclus Korn & Feist 2007
urn:lsid:organismnames.com:name:1922981
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112
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†Nigrocyclus Korn & Feist 2007
Korn & Feist 2007. Early Carboniferous ammonoid faunas and stratigraphy of the Montagne Noire (France). Fossil Record, 10(2) 2007: 99-124