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†Urdyceras Brayard & Bucher 2008
urn:lsid:organismnames.com:name:4368352
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39
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†Urdyceras Brayard & Bucher 2008
Brayard & Bucher 2008. Smithian (Early Triassic) ammonoid faunas from northwestern Guangxi (South China): taxonomy and biochronology. Fossils and Strata, 55 2008: 1-179