New graptolites from the Middle Cambrian of the Siberian platform

Article (within a thematic volume) 13 Tue, 01/01/1974 - 12:00 Graptolite studies in honour of O. M. B. Bulman R. B. Rickards, D. E. Jackson and C. P. Hughes 9 14

OBUT, A. M. 1974. New graptolites from the Middle Cambrian of the Siberian platform. In RICKARDS, R. B., JACKSON, D. E., HUGHES, N. F. (eds.). Graptolite studies in honour of O. M. B. Bulman. Special Papers in Palaeontology, 13, pp. 9–14.

A. M. Obut

Well-preserved Middle Cambrian graptolites from the Siberian platform deposits, some showing traces of fusellar structure, are described. One new order and two new families are erected: Archaeodendrida, Archaeodendridae, and Bulmanidendridae. The following species are described: Archaeodendrum bulmani gen. et sp. nov.; Archaeolafoea olenekensis sp. nov.; Dithecodendrum grossithecatum sp. nov.; Bulmanidendrum magnificum gen. et sp. nov.

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