INTRODUCTION In the appendix of the"Stratigraphy of China,"Part I,A.W.Grabau(4)~1 figured a restoration of a Lower Silurian trilobite underthe new subgeneric name"Coronocephalus"on the basis of separated
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.1938. The Lower Silurian Trilobite Encrinurus (Coronocephalus) rex, its Geographical Distribution and Stratigraphical Position[J]. Acta Geologica Sinica(),18(1):
