Complex sentence: The Rock Martin was formally described in 1842 as "Hirundo fuligula" by German physician, explorer and zoologist Martin Lichtenstein and was moved to the new genus "Ptyonoprogne" by German ornithologist Heinrich Gustav Reichenbach in 1850.
Split into simpler sentences: The Rock Martin was formally described in 1842 as "Hirundo fuligula" by German physician, explorer and zoologist Martin Lichtenstein. It was moved to the new genus "Ptyonoprogne" by German ornithologist Heinrich Gustav Reichenbach in 1850.