The Naturmuseum Senckenberg is a museum of natural history, located in Frankfurt am Main. It is the second-largest natural history museum in Germany. In the two years 2022–2023, 874,276 people visited

Masillamys is an extinct genus of rodent. It was named in 1954 by Tobien based on fossils found in the Messel Pit, Germany. It is considered to be a sister genus to the Hartenbergeromys, Lophiparamys,