
1) European archaeology
Found on
https://www.crosswordclues.com/clue/clactonian

The Clactonian is the name given by archaeologists to an industry of European flint tool manufacture that dates to the early part of the interglacial period known as the Hoxnian, the Mindel-Riss or the Holstein stages (c. 400,000 years ago). Clactonian tools were made by Homo erectus rather than modern humans. The term is sometimes applied to earl...
Found on
http://en.wikipedia.org/wiki/Clactonian

of, pertaining to, or characteristic of a Lower Paleolithic culture in England marked by the production of tools made from stone flakes.
Found on
https://www.infoplease.com/dictionary/clactonian
No exact match found.