The four spikes on the tails of stegosaurid dinosaurs are called 'a thagomizer'. The term comes from this Gary Larson cartoon:
![[Image: img_61faf69aa0e7d.jpg]](https://wtf.tfw2005.com/wp-content/uploads/sites/15/2022/02/img_61faf69aa0e7d.jpg)
While an informal term, it is used by the Smithsonian Institution and has appeared in technical papers on stegosaurs and their close kin.
Boru
![[Image: img_61faf69aa0e7d.jpg]](https://wtf.tfw2005.com/wp-content/uploads/sites/15/2022/02/img_61faf69aa0e7d.jpg)
While an informal term, it is used by the Smithsonian Institution and has appeared in technical papers on stegosaurs and their close kin.
Boru
‘I can’t be having with this.’ - Esmeralda Weatherwax