The software app is unavailable at present. We are working to fix this.
Please use the illustrated chart to estimate age or the detailed tables from AlQahtani, Hector and Liversidge 2010.
Helen Liversidge h.m.liversidge@qmul.ac.uk
January 2023
Tables from AlQahtani, Hector and Liversidge 2010 [PDF 1,108KB]