Carl Friedrich Wilhelm Claus

Carl Friedrich Wilhelm Claus
Born	(1835-01-02)2 January 1835 Kassel, Germany
Died	18 January 1899(1899-01-18) (aged 64) Vienna, Austria-Hungary
Alma mater	University of Marburg University of Gießen
Scientific career
Fields	Marine zoology
Institutions	University of Würzburg University of Göttingen University of Vienna
Doctoral advisor	Rudolf Leuckart

Carl Friedrich Wilhelm Claus (2 January 1835 – 18 January 1899) was a German zoologist and anatomist. He was an opponent of the ideas of Ernst Haeckel.