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†Calstevenus arcturus Yancey 1973
urn:lsid:organismnames.com:name:2177384
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1063
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†Calstevenus arcturus Yancey 1973
Yancey 1973. A new genus of Permian siphonodentalid scaphopods, and its bearing on the origin of the Siphonodentaliidae. Journal Paleont, 47(6) 1973: 1062-1064