Bowls in Medieval England
Also, a bowl doesn't really have many different shapes to it. You can belly it out more or have a straighter wall, play with the lip or the foot, but it is pretty much the same more or less.
Here is a Medieval bowl, late 11th-mid 14th century bowl from the Museum of London.
Some of the details on this one.
Material: ceramic; earthenware
Measurements: H 43 mm; DM (rim) 108 mm
Museum Section: Medieval
Summary: London-type ware? flared dish. Splash-glazed internally.