TWO NEW ORDOVICIAN TRILOBITE GENERA FROM WESTERN MARGINAL AREAS OF THE NORTH CHINA PLATFORM

In connection with the preparation of a chapter of the monograph "Trilobite record of China" on the Ordovician trilobites, a large number of Chinese species were critically reviewed. Among others, two of them previously described from western marginal areas of the North China Platform respectively by Lu in Lu et al. (1976) as Bulbaspis ordosensis and by Zhou and Dean (1986) as Ischylophyma? zhiqiangi ought to be reassigned to new genera.

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Clc Number:

Q915.8