1. Oblate
2. Spheriod
3. High spheriod
4. Ellipsoid
5. Narrowly obovate
6. Obovate
7. Pyriform
8. Clavate
9. Rhomboidal
10. Other
I know..Complicated name huh...check out this site to see how each avocado's shape looks like..
http://ucavo.ucr.edu/AvocadoWebSite%20folder/AvocadoWebSite/General/FruitShape.html