Scale structure of putative chondrichthyanGladbachus adentatusHeidtke & Krätschmer, 2001 from the Middle Devonian Rheinisches Schiefergebirge, Germany
2011 ◽
Vol 91
(4)
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pp. 257-284
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1992 ◽
Vol 1992
(5)
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pp. 303-320
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