Article: A new species of Monograptus from the Road River Formation, Yukon
D. E. Jackson and A. C. Lenz
Monograptus yukonensis sp. nov. is described from the uppermost part of the Read River Formation where it occurs with a rich brachiopod fauna. The equivalent of this zone in Thiiringia, Germany, is believed to lie in the eft or ey Stufe. The brachiopod fauna has a Gedinnian aspect.