They are usually referred to as "2-SMD, Gull Wing". I haven't seen a standard refer to this type of package.

"Gull wing" actually refers to the shape of the leads. It is a general term that applies to almost all smt packages that have leads bent towards the outside of the pack, such as [QFP][0].

  [0]: http://en.wikipedia.org/wiki/Quad_Flat_Package