With 1 Plate A smooth-shelled brachiopod which occurs very copiously in the middle Ordovician Neichiashan formation of the Upper Yangtze had been repeatcdly described as"Triplecia poloi" by Martelli in 1901, Pellizzari in 1913, Weller in 1913, and
Abstract:
With 1 Plate A smooth-shelled brachiopod which occurs very copiously in the middle Ordovician Neichiashan formation of the Upper Yangtze had been repeatcdly described as"Triplecia poloi" by Martelli in 1901, Pellizzari in 1913, Weller in 1913, and
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S. S. YOH.1944. On the Inner Structure of a New Species of Yangtzeella[J].地质学报,(Z1):11-15. S. S. YOH.1944.[J]. Acta Geologica Sinica,(Z1):11-15.