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ZPAL G. 58

Collection G. 58 -

Gymnograptus from the Middle Ordovician erratic boulders of Poland

Publications


A. Urbanek. 1959; Studies on graptolites II. On the development and structure of graptolite genus Gymnograptus Bulman. Acta Palaeontologica Polonica 4 (3): 279-338.