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Cockroach egg-case from the Eocene of Wyoming

Cockroach egg-case from the Eocene of Wyomingv. 47340–342
Brown, Roland W. 1957. "Cockroach egg-case from the Eocene of Wyoming." Journal of the Washington Academy of Sciences, 47 340–342.
ID: 121653
Type: article
Keywords: USNM; NMNH