| Sphenomegacorona | |
|---|---|
 | |
| Type | Johnson J87 – J88 – J89 |
| Faces | 16 triangles 2 squares |
| Edges | 28 |
| Vertices | 12 |
| Vertex configuration | 2(34) 2(32.42) 2x2(35) 4(34.4) |
| Symmetry group | C2v |
| Dual polyhedron | - |
| Properties | convex, elementary |
| Net | |
 | |
In geometry, the sphenomegacorona is a Johnson solid with 16 equilateral triangles and 2 squares as its faces.