First recognition of the Gshelian (Upper Pennsylvanian) trilobite Brachymetopus Pseudometopina Gauri and Ramovs in North America; and a description of accompanying trilobites from west-central Alaska

G. Hahn, R. B. Blodgett, and W. G. Gilbert

1985

Article

Journal of Paleontology 59(1):27-31

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