Complex sentence: The species was first described by ornithologist George Newbold Lawrence in 1875, who placed this species in the genus "Myiarchus"; however, it was split into "Deltarhynchus" in 1901 by Richard Bowdler Sharpe.
Split into simpler sentences: The species was first described by ornithologist George Newbold Lawrence in 1875, and later placed in its own genus. Initially, this species was placed in the genus "Myiarchus"; however, it was split into "Deltarhynchus" in 1901 by Richard Bowdler Sharpe.