| There are 4 objects for which Shape_description contains → four-sided ← |
| 2007.9.11 | Four-sided, large curved ridge on outer surface, fragment depth much deeper at two edges than at remaining two. | |
| 2007.9.7 | Four-sided, almost rectangular except for one side which slopes down more genlty, resulting in a noticeably acute point at one corner. | |
| 2007.9.8 | Four-sided, rim edge slightly curved, one side edge curves concavely, creating a long point. | |
| 2008.7.27 | Four-sided fragment; three straight, one curved. |