Fossils are less common in the Upper Old Red Sandstone, though they are found - particularly fishes - in large numbers in certain spots, as at Dura Den, near Cupar-Fife.
Duren derives its name, not, as was at one time believed, from the Marcodurum of the Ubii, mentioned in Tacitus, but from the Dura or Duria, assemblies held by the Carolingians in the 8th century.
Foramina by which the optic, trigeminal and portio dura, and abducens nerves leave the skull.
The lamina dura is a thin white line around the root.
Between the windows, there are gilt and ' pietra dura ' console tables with late 17th century Genoese carved and gilt supporting figures.
