The acanthodianMachaeracanthus from the Lower Devonian Hunsrück Slate of the Hunsrück region (Germany)
作者： Wouter H. Südkamp , Carole J. Burrow
DOI: 10.1007/BF02988383
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摘要: Two recently collected slabs from the Lower Devonian Hunsruck Slate of Bundenbach, region, Germany, with spines acanthodianMachaeracanthus hunsrueckianum n. sp. are described. Both associations large and small first to show groupings symmetrical pairs; not homologous those other acanthodians. A pair ofMachaeracanthus peracutusNewberry, 1857 Karschheck quarry near Oberkirn, is articulated pectoral girdle such complex be The only whichMachaeracanthus appears have had were a on each side body. These could helped prevent fish sinking into mud while resting sea floor.
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