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The genus Orthaea, as described by Dallas (1852), was monotypic, with O. consuta the type species, and was treated by Sthl (1874) as a subgenus of Pamera (Say, 1832). In 1914, Van Duzee argued against the use of the generic name Pamera, which Say (1832) had merelydoi:10.1155/1986/13734 fatcat:4a3t7oox4nbezi4hvany6pdt2e