Zoologische Staatssammlung München or ZSM or The Bavarian State Collection of Zoology is a major German research institution for zoological systematics. With over 20 million zoological specimens it is one of the largest natural history collections in the world. The sections are Entomology, Invertebrates and Vertebrates. The history of the museum is outlined on the museum's home page[1] together with a biography of Johann Baptist von Spix the first curator of zoology.[2]