^^Quadrato.

1. credits https://en.wikipedia.org/wiki/File:Symmetries_of_square.svg
2. Square § Symmetry
3. https://en.wikipedia.org/wiki/Configuration_(polytope)#Quadrilaterals
4. https://en.wikipedia.org/wiki/Rectangle#Traditional_hierarchy
5. https://en.wikipedia.org/wiki/Rhombus#Characterizations

credits https://en.wikipedia.org/wiki/File:Quadrilateral_hierarchy_svg.svg

https://en.wikipedia.org/wiki/Quadrilateral#Taxonomy

Quadrilateri.