==Round shield boss (Umbo)==
{|
|- valign="top" id="Sugar loaf"
|width="100pt"| [[File:example.jpg|thumb|100x150px|left]]
|width="600pt"| '''Sugar loaf'''
|- valign="top" id="= Viking domed"|widthDomed=="100pt"| [[File:R562.jpg|thumb|100x150px|left]]|width="600pt"| '''Viking domed'''
|- valign<gallery heights=150px mode="topPacked" idstyle="Hibernotext-Norsealign:left">|width="100pt"| [[File:exampleR562.jpg|thumb|100x150px|left]]R562|width="600pt"| '''Hiberno-Norse'''</gallery>
|- valign="top" id="Irish"|width="100pt"| [[File:example.jpg|thumb|100x150px|left]]|widthHiberno-Norse / English==="600pt"| '''Irish'''
|- valign<gallery heights=150px mode="topPacked" idstyle="Carolingiantext-align:left">File:R562.jpg|widthR562</gallery> === Irish === <gallery heights=150px mode="100ptPacked"style="text-align:left">File:R562.jpg| [[R562</gallery> === Carolingian === <gallery heights=150px mode="Packed" style="text-align:left">File:L'lle de Groix Other Shield bosses.jpg|thumb|100x150px|left]]|width="600pt"| '''Carolingian'''L'Ille lle de Groix</gallery>
|}
===Decorative bosses===