Discoveries in Glarus: fossils from the dinosaur age in the town hall fountain, stone slabs filled with oysters by a house facade.

We can even feel the tooth of a shark – shark teeth can be counted serenely in a window frame hewn from shell limestone. "Brunnentrog und Haifischzahn" (water trough and shark tooth) folding leaflet: a guide (German) to sixteen geologically significant building stones in Glarus.